| Alabama | a vehicle may not travel in the left lane of an interstate highway for more than 1.5 consecutive miles unless the vehicle completely passes at least one other vehicle, unless doing so is necessary due to: traffic conditions; inclement weather, obstructions, or hazards; compliance with a law, rule, ordinance or traffic control device; exiting a roadway to the left; paying a toll or user fee at a toll collection facility; operation of an authorized emergency vehicle in the course of duty; or operation of a vehicle in the course of highway maintenance or construction or through a construction zone | an interstate highway | unless doing so is necessary due to: traffic conditions; inclement weather, obstructions, or hazards; compliance with a law, rule, ordinance or traffic control device; exiting a roadway to the left; paying a toll or user fee at a toll collection facility; operation of an authorized emergency vehicle in the course of duty; or operation of a vehicle in the course of highway maintenance or construction or through a construction zone | Not verified | https://www.alea.gov/news/three-traffic-laws-effective-sunday-sept-1 |
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| Alaska | Slow moving vehicles must keep right. | Not verified | Not verified | Not verified | https://dmv.alaska.gov/media/t5ef5vi2/dlman.pdf |
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| Arizona | On all roadways, a person driving a vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall drive the vehicle in the right-hand lane then available for traffic or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | On all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://www.azleg.gov/ars/28/00721.htm |
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| Arkansas | Arkansas Code Annotated 27-51-301 states that a vehicle shall not be driven upon the left lane of a multilane highway, EXCEPT as follows: (1) When overtaking and passing another vehicle proceeding in the same direction under the rules governing that movement. (2) When all other lanes for traveling in the same direction are closed to traffic while under construction or repair. (3) When all other lanes for traveling in the same direction are in disrepair or are in an otherwise undrivable or unsafe condition; or (4) When a vehicle is preparing to exit the multilane highway on the left | the left lane of a multilane highway | (1) When overtaking and passing another vehicle proceeding in the same direction under the rules governing that movement. (2) When all other lanes for traveling in the same direction are closed to traffic while under construction or repair. (3) When all other lanes for traveling in the same direction are in disrepair or are in an otherwise undrivable or unsafe condition; or (4) When a vehicle is preparing to exit the multilane highway on the left | Not verified | https://www.dps.arkansas.gov/wp-content/uploads/Arkansas-DL-Manual-English_August2024-08212024.pdf |
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| California | Notwithstanding the prima facie speed limits, any vehicle proceeding upon a highway at a speed less than the normal speed of traffic moving in the same direction at such time shall be driven in the right-hand lane for traffic or as close as practicable to the right-hand edge or curb, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | upon a highway | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=21654.&lawCode=VEH |
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| Colorado | A person shall not drive a motor vehicle in the passing lane of a highway if the speed limit is sixty-five miles per hour or more unless such person is passing other motor vehicles that are in a nonpassing lane or turning left, or unless the volume of traffic does not permit the motor vehicle to safely merge into a nonpassing lane. | a highway if the speed limit is sixty-five miles per hour or more "Passing lane" means the farthest to the left lane if there are two or more adjacent lanes of traffic moving in the same direction in one roadway; except that, if such left lane is restricted to high occupancy vehicle use or is designed for left turns only, the passing lane shall be the lane immediately to the right of such high occupancy lane or left-turn lane. | unless such person is passing other motor vehicles that are in a nonpassing lane or turning left, or unless the volume of traffic does not permit the motor vehicle to safely merge into a nonpassing lane. | A person who violates this section commits a class A traffic infraction. | https://content.leg.colorado.gov/sites/default/files/images/olls/crs2024-title-42.pdf |
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| Connecticut | Except as provided in subsection (c) of this section, any vehicle proceeding at less than the normal speed of traffic shall be driven in the right-hand lane available for traffic, or as close as practicable to the right-hand curb or edge of the highway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | highway | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://www.cga.ct.gov/2025/pub/chap_248.htm |
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| Delaware | This section applies only to vehicles traveling on the portions of State Route 1 and Interstate 495 that are any of the following: (1) An "express highway," as defined in § 101 of Title 17. (2) A "controlled-access facility," as defined in § 172 of Title 17. (b) A vehicle may not travel in the left lane, except in any of the following circumstances: (1) When no other vehicle is traveling in the same lane less than 100 feet behind the vehicle. (2) When overtaking and passing another vehicle proceeding in the same direction under the rules governing overtaking and passing another vehicle. (3) When necessary to enter, leave, or continue on the roadway. (4) When necessary due to an obstruction. (5) When necessary in response to emergency conditions. (6) When necessary due to traffic conditions or congestion. (7) To comply with other law or regulation. | the portions of State Route 1 and Interstate 495 | (1) When no other vehicle is traveling in the same lane less than 100 feet behind the vehicle. (2) When overtaking and passing another vehicle proceeding in the same direction under the rules governing overtaking and passing another vehicle. (3) When necessary to enter, leave, or continue on the roadway. (4) When necessary due to an obstruction. (5) When necessary in response to emergency conditions. (6) When necessary due to traffic conditions or congestion. (7) To comply with other law or regulation. | An operator who refuses, fails, or neglects to comply with this section is subject to a civil penalty as follows: (1) For a first occurrence, a civil penalty of not less than $25 nor more than $75. (2) For a subsequent occurrence, a civil penalty of not less than $57.50 nor more than $95. | https://delcode.delaware.gov/title21/c041/sc03/index.html |
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| District of Columbia | Not verified | Not verified | Not verified | Not verified | https://dmv.dc.gov/sites/default/files/dc/sites/dmv/publication/attachments/DC%20Driver%20Manual.pdf |
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| Florida | On a road, street, or highway having two or more lanes allowing movement in the same direction, a driver may not continue to operate a motor vehicle in the furthermost left-hand lane if the driver knows or reasonably should know that he or she is being overtaken in that lane from the rear by a motor vehicle traveling at a higher rate of speed. This subsection does not apply to drivers operating a vehicle that is overtaking another vehicle proceeding in the same direction, or is preparing for a left turn at an intersection. | a road, street, or highway having two or more lanes allowing movement in the same direction | This subsection does not apply to drivers operating a vehicle that is overtaking another vehicle proceeding in the same direction, or is preparing for a left turn at an intersection. | A violation of this section is a noncriminal traffic infraction, punishable as a moving violation as provided in chapter 318. | https://www.leg.state.fl.us/statutes/index.cfm?App_mode=Display_Statute&URL=0300-0399/0316/Sections/0316.081.html |
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| Georgia | Slower drivers must move out of the passing lane (most left-hand lanes) and over to the right to allow faster-moving traffic to proceed. Regardless of the speed you are traveling, you must move from the lane when faster traffic is approaching. | passing lane (most left-hand lanes) | When traffic conditions make it necessary to drive in the passing lane; When inclement weather, obstructions, or hazards make it necessary to drive in the passing lane; When compliance with a law of this state or with an official traffic control device makes it necessary to drive in the passing lane; When your vehicle must be driven in the passing lane to exit or turn left; When it is necessary to pay a toll or use a pass on toll highways; Authorized emergency vehicles engaged in official duties; or Vehicles engaged in highway maintenance and construction operations. | Penalties include fine up to $1000 and/or 3 points on the driving record. | https://dds.georgia.gov/section-5-continued-keep-right-except-pass |
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| Hawaii | Not verified | Not verified | Not verified | Not verified | https://data.capitol.hawaii.gov/hrscurrent/vol05_Ch0261-0319/HRS0291C/HRS_0291C-0041.htm |
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| Idaho | Upon all highways any vehicle proceeding at less than normal speed of traffic at the time and place and under the conditions then existing, shall be driven in the right-hand lane available for traffic, or as close as practicable to the right-hand curb or edge of the highway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Upon all highways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://legislature.idaho.gov/statutesrules/idstat/Title49/T49CH6/SECT49-630/ |
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| Illinois | Upon an Interstate highway or fully access controlled freeway, a vehicle may not be driven in the left lane, except when overtaking and passing another vehicle. | an Interstate highway or fully access controlled freeway | Subsection (d) of this Section does not apply: (1) when no other vehicle is directly behind the vehicle in the left lane; (2) when traffic conditions and congestion make it impractical to drive in the right lane; (3) when snow and other inclement weather conditions make it necessary to drive in the left lane; (4) when obstructions or hazards exist in the right lane; (5) when a vehicle changes lanes to comply with Sections 11-907, 11-907.5, and 11-908 of this Code; (6) when, because of highway design, a vehicle must be driven in the left lane when preparing to exit; (7) on toll highways when necessary to use I-Pass, and on toll and other highways when driving in the left lane is required to comply with an official traffic control device; or (8) to law enforcement vehicles, ambulances, and other emergency vehicles engaged in official duties and vehicles engaged in highway maintenance and construction operations. | Not verified | https://www.ilga.gov/documents/legislation/ilcs/documents/062500050K11-701.htm |
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| Indiana | Not verified | Not verified | Not verified | Not verified | https://www.in.gov/bmv/licenses-permits-ids/files/drivers-manual.pdf |
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| Iowa | Any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic upon all roadways, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection, an alley, private road or driveway. | upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection, an alley, private road or driveway. | Not verified | https://www.legis.iowa.gov/docs/code/321.297.pdf |
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| Kansas | Upon all roadways any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://www.kslegislature.gov/li/b2025_26/statute/008_000_0000_chapter/008_015_0000_article/008_015_0014_section/008_015_0014_k/ |
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| Kentucky | The operator of any vehicle moving slowly upon a highway shall keep his vehicle as closely as practicable to the right-hand boundary of the highway, allowing more swiftly moving vehicles reasonably free passage to the left, unless signage or markings indicate otherwise. | upon a highway | unless signage or markings indicate otherwise. | Not verified | https://apps.legislature.ky.gov/law/statutes/statute.aspx?id=47604 |
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| Louisiana | Upon all multilane highways, no vehicle shall be driven in the left-hand lane except when directed otherwise, preparing for a left turn at an intersection or private road or driveway, overtaking or passing another vehicle proceeding in the same direction, or when right-hand lanes are congested; however, no vehicle being driven in the left lane except when directed otherwise or preparing for a left turn at an intersection, private road, or driveway shall impede any other vehicle that is traveling in the same lane and behind that vehicle. | Upon all multilane highways | except when directed otherwise, preparing for a left turn at an intersection or private road or driveway, overtaking or passing another vehicle proceeding in the same direction, or when right-hand lanes are congested; however, no vehicle being driven in the left lane except when directed otherwise or preparing for a left turn at an intersection, private road, or driveway shall impede any other vehicle that is traveling in the same lane and behind that vehicle. | Not verified | https://www.legis.la.gov/legis/Law.aspx?d=88525 |
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| Maine | An operator driving on a limited-access way with a speed limit of 65 or more miles per hour is restricted in ordinary operation to the right-hand lane and may use adjacent lanes for overtaking and passing another vehicle, but must return to the right-hand lane at the earliest opportunity. This requirement does not apply to an authorized emergency vehicle, or to a vehicle otherwise directed by posted signs, a law enforcement officer or a highway maintenance crew. | a limited-access way with a speed limit of 65 or more miles per hour | This requirement does not apply to an authorized emergency vehicle, or to a vehicle otherwise directed by posted signs, a law enforcement officer or a highway maintenance crew. | Not verified | https://legislature.maine.gov/statutes/29-A/title29-Asec2052.html |
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| Maryland | On every roadway, except while overtaking and passing another vehicle going in the same direction or when preparing for a lawful left turn, any vehicle going 10 miles per hour or more below the applicable maximum speed limit or, if any existing conditions reasonably require a speed below that of the applicable maximum, at less than the normal speed of traffic under these conditions, shall be driven in the right-hand lane then available for traffic or as close as practicable to the right-hand curb or edge of the roadway. | On every roadway | except while overtaking and passing another vehicle going in the same direction or when preparing for a lawful left turn, any vehicle going 10 miles per hour or more below the applicable maximum speed limit or, if any existing conditions reasonably require a speed below that of the applicable maximum, at less than the normal speed of traffic under these conditions, shall be driven in the right-hand lane then available for traffic or as close as practicable to the right-hand curb or edge of the roadway. | Not verified | https://mgaleg.maryland.gov/mgawebsite/Laws/StatuteText?article=gtr§ion=21-301 |
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| Massachusetts | Upon all ways the driver of a vehicle shall drive in the lane nearest the right side of the way when such lane is available for travel, except when overtaking another vehicle or when preparing for a left turn. | Upon all ways | except when overtaking another vehicle or when preparing for a left turn. | Not verified | https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter89/Section4B |
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| Michigan | Upon a roadway having 2 or more lanes for travel in 1 direction, the driver of a vehicle shall drive the vehicle in the extreme right-hand lane available for travel except as otherwise provided in this section. However, the driver of a vehicle may drive the vehicle in any lane lawfully available to traffic moving in the same direction of travel when the lanes are occupied by a streetcar or vehicles moving in substantially continuous lanes of traffic and in any left-hand lane lawfully available to traffic moving in the same direction of travel for a reasonable distance before making a left turn or to avoid blocking, delaying, or otherwise interfering with the movement of a streetcar on a streetcar track. (3) This section must not be construed to prohibit a vehicle traveling in the appropriate direction from traveling in any lane of a freeway having 3 or more lanes for travel in the same direction. However, a city, village, township, or county may not enact an ordinance that regulates the same subject matter as any provision of this subsection. The driver of a truck with a gross weight of more than 10,000 pounds, a truck tractor, or a combination of a vehicle and trailer or semitrailer shall drive the vehicle or combination of vehicles only in either of the 2 lanes farthest to the right, except for a reasonable distance when making a left turn or where a special hazard exists that requires the use of an alternative lane for safety reasons. | a roadway having 2 or more lanes for travel in 1 direction | However, the driver of a vehicle may drive the vehicle in any lane lawfully available to traffic moving in the same direction of travel when the lanes are occupied by a streetcar or vehicles moving in substantially continuous lanes of traffic and in any left-hand lane lawfully available to traffic moving in the same direction of travel for a reasonable distance before making a left turn or to avoid blocking, delaying, or otherwise interfering with the movement of a streetcar on a streetcar track. This section must not be construed to prohibit a vehicle traveling in the appropriate direction from traveling in any lane of a freeway having 3 or more lanes for travel in the same direction. | A person who violates this section is responsible for a civil infraction. | https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-257-634 |
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| Minnesota | except when overtaking and passing on the right is permitted, the driver of an overtaken vehicle shall give way to the right in favor of the overtaking vehicle on audible warning, and shall not increase the speed of the overtaken vehicle until completely passed by the overtaking vehicle; and (3) the operator of a motor vehicle overtaking a bicycle or individual proceeding in the same direction on the roadway shall leave a safe distance, but in no case less than three feet clearance, when passing the bicycle or individual and shall maintain clearance until safely past the overtaken bicycle or individual. | Not verified | except when overtaking and passing on the right is permitted | Not verified | https://www.revisor.mn.gov/statutes/cite/169.18 |
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| Mississippi | Not verified | Not verified | Not verified | Not verified | https://www.driverservicebureau.dps.ms.gov/sites/default/files/2025-02/1.15.2025%20Revised%20MDPS%20Driver%27s%20Manual.pdf |
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| Missouri | All vehicles in motion upon a highway having two or more lanes of traffic proceeding in the same direction shall be driven in the right-hand lane except when overtaking and passing another vehicle or when preparing to make a proper left turn or when otherwise directed by traffic markings, signs or signals. | a highway having two or more lanes of traffic proceeding in the same direction | except when overtaking and passing another vehicle or when preparing to make a proper left turn or when otherwise directed by traffic markings, signs or signals. | Violation of this section shall be deemed a class C misdemeanor unless such violation causes an immediate threat of an accident, in which case such violation shall be deemed a class B misdemeanor, or unless an accident results from such violation, in which case such violation shall be deemed a class A misdemeanor. | https://revisor.mo.gov/main/OneSection.aspx?section=304.015 |
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| Montana | Except as provided in subsection (3)(b) and subject to subsection (4), upon all roadways having two or more lanes for traffic moving in the same direction, a vehicle must be driven in the right-hand lane. | all roadways having two or more lanes for traffic moving in the same direction | A vehicle being operated upon a roadway having two or more lanes for traffic moving in the same direction is not required to be driven in the right-hand lane when: (i) overtaking and passing another vehicle proceeding in the same direction; (ii) traveling at a speed greater than the traffic flow; (iii) moving left to allow traffic to merge; (iv) traveling on a roadway within the official boundaries of a city or town, except as provided in subsection (4); (v) preparing for a left turn at an intersection or into a private road or driveway when a left turn is legally permitted; (vi) exiting onto a left-hand exit from a controlled-access highway; (vii) an obstruction or hazardous conditions make it necessary to drive in a lane other than the right-hand lane; (viii) road or vehicle conditions make it safer to drive in a lane other than the right-hand lane; or (ix) authorized snow-removal equipment is operating on the roadway. When traveling upon an interstate highway, as defined in 60-1-103 , within the official boundaries of a city or town, a vehicle must be driven in the right-hand lane unless otherwise directed or permitted by an official traffic control device. | Not verified | https://leg.mt.gov/bills/mca/title_0610/chapter_0080/part_0030/section_0210/0610-0080-0030-0210.html |
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| Nebraska | Upon all roadways, any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://nebraskalegislature.gov/laws/statutes.php?statute=60-6,131 |
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| Nevada | Except as otherwise provided in subsection 2, on a controlled-access highway which has two or more clearly marked lanes for traveling in the same direction, a driver may not continue to operate a motor vehicle in the extreme left lane if the driver knows, or reasonably should know, that he or she is traveling at a rate of speed which is less than the posted speed limit for that portion of the controlled-access highway and is being overtaken in that lane from the rear by a motor vehicle traveling at a higher rate of speed. | a controlled-access highway which has two or more clearly marked lanes for traveling in the same direction | When traffic conditions, inclement weather, obstructions or hazards make it necessary to drive in the extreme left lane. When compliance with an official traffic control device or the directions given by a peace officer makes it necessary to drive in the extreme left lane. To the driver of an authorized emergency vehicle in the course of his or her official duties. To a driver operating a motor vehicle within the geographical limits of a city or town. Overtaking another vehicle proceeding in the same direction; Preparing for a left turn at an intersection; | Not verified | https://www.leg.state.nv.us/NRS/NRS-484B.html#NRS484BSec208 |
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| New Hampshire | Motor vehicles shall not be operated continuously in the left lane of a multilane roadway whenever it impedes the flow of other traffic at or below the posted speed limit unless reasonable and prudent under the conditions having regard to the actual and potential hazards then existing. | the left lane of a multilane roadway | unless reasonable and prudent under the conditions having regard to the actual and potential hazards then existing. | Any person who violates this section shall be guilty of a violation and shall be fined $50 plus penalty assessment."> TITLE XXI MOTOR VEHICLES CHAPTER 265 RULES OF THE ROAD Traffic Signs, Signals and Markings Section 265:16 265:16 Drive on Right Side of Roadway; Exceptions. | https://gc.nh.gov/rsa/html/XXI/265/265-16.htm |
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| New Jersey | On a multi-lane roadway, motorists must drive in the lane nearest to the right- hand edge or curb of the roadway when the lane is available for travel, except when overtaking another vehicle or in preparation for a left turn. | On a multi-lane roadway | except when overtaking another vehicle or in preparation for a left turn. | Not verified | https://www.nj.gov/mvc/pdf/license/drivermanual.pdf |
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| New Mexico | Not verified | Not verified | Not verified | Not verified | https://nmonesource.com/nmos/nmsa/en/item/4408/index.do |
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| New York | In addition, upon all roadways, any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://www.nysenate.gov/legislation/laws/VAT/1120 |
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| North Carolina | Upon all highways any vehicle proceeding at less than the legal maximum speed limit shall be driven in the right-hand lane then available for thru traffic, or as close as practicable to the right-hand curb or edge of the highway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn. | Upon all highways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn. | Not verified | https://www.ncleg.gov/EnactedLegislation/Statutes/HTML/BySection/Chapter_20/GS_20-146.html |
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| North Dakota | Upon all roadways any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing must be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn in an intersection or into a private road or driveway. | Upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn in an intersection or into a private road or driveway. | Not verified | https://ndlegis.gov/cencode/t39c10.pdf |
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| Ohio | Upon all roadways any vehicle or trackless trolley proceeding at less than the prevailing and lawful speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, and far enough to the right to allow passing by faster vehicles if such passing is safe and reasonable, except under any of the following circumstances: (a) When overtaking and passing another vehicle or trackless trolley proceeding in the same direction; (b) When preparing for a left turn; (c) When the driver must necessarily drive in a lane other than the right-hand lane to continue on the driver's intended route. | Upon all roadways | (a) When overtaking and passing another vehicle or trackless trolley proceeding in the same direction; (b) When preparing for a left turn; (c) When the driver must necessarily drive in a lane other than the right-hand lane to continue on the driver's intended route. (2) Nothing in division (B)(1) of this section requires a driver of a slower vehicle to compromise the driver's safety to allow overtaking by a faster vehicle. | Except as otherwise provided in this division, whoever violates this section is guilty of a minor misdemeanor. | https://codes.ohio.gov/ohio-revised-code/section-4511.25 |
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| Oklahoma | Upon all roadways any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane when available for traffic, or as close as practicable to the right-hand curb or edge of the roadway and may be temporarily driven upon the right-hand shoulder for the purpose of permitting other vehicles to pass. This subsection shall not apply when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Upon all roadways | This subsection shall not apply when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://oksenate.gov/sites/default/files/2019-12/os47.pdf |
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| Oregon | A person commits the offense of failure of a slow driver to drive on the right if the person is operating a vehicle upon a roadway at less than the normal speed of traffic at the time and place and under the conditions then existing and the person fails to drive: In the right-hand lane available for traffic; As close as practicable to the right-hand curb or edge of the roadway. | upon a roadway | When overtaking and passing another vehicle proceeding in the same direction under the rules governing this movement in ORS 811.410 to 811.425 or 811.808. When preparing to turn left at an intersection, alley or private road or driveway. | The offense described in this section, failure of slow driver to drive on the right, is a Class B traffic violation. | https://www.oregonlegislature.gov/bills_laws/ors/ors811.html |
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| Pennsylvania | Except as provided in paragraph (2) and unless otherwise posted, upon all limited access highways having two or more lanes for traffic moving in the same direction, all vehicles shall be driven in the right-hand lanes when available for traffic except when any of the following conditions exist: (i) When overtaking and passing another vehicle proceeding in the same direction. (ii) When traveling at a speed greater than the traffic flow. (iii) When moving left to allow traffic to merge. (iv) When preparing for a left turn at an intersection, exit or into a private road or driveway when such left turn is legally permitted. | all limited access highways having two or more lanes for traffic moving in the same direction | (i) When overtaking and passing another vehicle proceeding in the same direction. (ii) When traveling at a speed greater than the traffic flow. (iii) When moving left to allow traffic to merge. (iv) When preparing for a left turn at an intersection, exit or into a private road or driveway when such left turn is legally permitted. | Not verified | https://www.legis.state.pa.us/WU01/LI/LI/CT/HTM/75/00.033..HTM |
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| Rhode Island | Upon all roadways any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Violations of this section are subject to fines enumerated in § 31-41.1-4. | https://webserver.rilegislature.gov/Statutes/TITLE31/31-15/31-15-2.htm |
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| South Carolina | A vehicle may not be driven in the farthest left-hand lane of a controlled access highway except when overtaking and passing another vehicle. | a controlled access highway | Subsection (A) of this section does not apply: (1) when no other vehicle is directly behind the vehicle in the left lane; (2) when traffic conditions and congestion make it impractical to drive in the right lane; (3) when snow and other inclement weather conditions make it safer to drive in the left lane; (4) when obstructions or hazards exist in the right lane; (5) when, because of highway design, a vehicle must be driven in the left lane when preparing to exit; (6) to law enforcement vehicles, ambulances, or other emergency vehicles engaged in official duties and vehicles engaged in highway maintenance and construction operations; (7) when a driver of a tractor-trailer commercial motor vehicle combination is unable to move into the right lane safely due to another vehicle overtaking or passing his vehicle to the right; or (8) when a driver of a vehicle requiring a commercial motor vehicle license to operate is unable to move into the right lane safely due to a highway grade or another vehicle overtaking or passing his vehicle on the right. | A person who is adjudicated to be in violation of the provisions of this section must be fined not more than twenty-five dollars, no part of which may be suspended. | https://www.scstatehouse.gov/code/t56c005.php |
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| South Dakota | Not verified | Not verified | Not verified | Not verified | https://sdlegislature.gov/Statutes/32-26-1 |
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| Tennessee | Slower traffic must drive in the right-hand lane. | Not verified | Not verified | Not verified | https://www.tn.gov/content/dam/tn/safety/documents/DL_Manual.pdf |
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| Texas | An operator of a vehicle on a roadway moving more slowly than the normal speed of other vehicles at the time and place under the existing conditions shall drive in the right-hand lane available for vehicles, or as close as practicable to the right-hand curb or edge of the roadway, unless the operator is: (1) passing another vehicle; or (2) preparing for a left turn at an intersection or into a private road or driveway. | on a roadway | unless the operator is: (1) passing another vehicle; or (2) preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://statutes.capitol.texas.gov/Docs/TN/htm/TN.545.htm |
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| Utah | Not verified | Not verified | Not verified | Not verified | https://le.utah.gov/xcode/Title41/Chapter6a/41-6a-S702.html |
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| Vermont | Upon all roadways, any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Not verified | https://legislature.vermont.gov/statutes/section/23/013/01031 |
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| Virginia | Any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions existing, shall be driven in the lane nearest the right edge or right curb of the highway when such lane is available for travel except when overtaking and passing another vehicle or in preparation for a left turn or where right lanes are reserved for slow-moving traffic as permitted in this section; | Whenever any roadway has been divided into clearly marked lanes for traffic | except when overtaking and passing another vehicle or in preparation for a left turn or where right lanes are reserved for slow-moving traffic as permitted in this section; | A violation of this section is punishable by a fine of $100. | https://law.lis.virginia.gov/vacode/title46.2/chapter8/section46.2-804/ |
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| Washington | Upon all roadways having two or more lanes for traffic moving in the same direction, all vehicles shall be driven in the right-hand lane then available for traffic, except (a) when overtaking and passing another vehicle proceeding in the same direction, (b) when traveling at a speed greater than the traffic flow, (c) when moving left to allow traffic to merge, or (d) when preparing for a left turn at an intersection, exit, or into a private road or driveway when such left turn is legally permitted. | Upon all roadways having two or more lanes for traffic moving in the same direction | except (a) when overtaking and passing another vehicle proceeding in the same direction, (b) when traveling at a speed greater than the traffic flow, (c) when moving left to allow traffic to merge, or (d) when preparing for a left turn at an intersection, exit, or into a private road or driveway when such left turn is legally permitted. | Not verified | https://app.leg.wa.gov/rcw/default.aspx?cite=46.61.100 |
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| West Virginia | Upon all roadways any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Upon all roadways | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into a private road or driveway. | Any person violating the provisions of this section is guilty of a misdemeanor and, upon conviction thereof, shall be fined not more than $100; upon a second conviction within one year thereafter, shall be fined not more than $200; and upon a third or subsequent conviction, shall be fined not more than $500. | https://code.wvlegislature.gov/17C-7-1/ |
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| Wisconsin | Any vehicle proceeding upon a roadway at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand edge or curb of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn or U-turn at an intersection or a left turn into a private road or driveway, and except as provided in s. 346.072 . | upon a roadway | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn or U-turn at an intersection or a left turn into a private road or driveway, and except as provided in s. 346.072 . | Not verified | https://docs.legis.wisconsin.gov/statutes/statutes/346/ii/05 |
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| Wyoming | Upon all roadways except one-way streets any vehicle proceeding at less than the normal speed of traffic at the time and place and under the conditions then existing shall be driven in the right-hand lane then available for traffic, or as close as practicable to the right-hand curb or edge of the roadway, except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into an alley, private road or driveway. | Upon all roadways except one-way streets | except when overtaking and passing another vehicle proceeding in the same direction or when preparing for a left turn at an intersection or into an alley, private road or driveway. | Not verified | https://wyoleg.gov/statutes/compress/title31.pdf |
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