Pennsylvania § 3309 - Driving on roadways laned for traffic.
Full text of Pennsylvania Pennsylvania Consolidated Statutes § 3309 — Driving on roadways laned for traffic., with citation guidance and answers to common questions.
§ 3309. Driving on roadways laned for traffic.
Whenever any roadway has been divided into two or more clearly marked lanes for traffic the following rules in addition to all others not inconsistent therewith shall apply:
(1) Driving within single lane.--A vehicle shall be driven as nearly as practicable entirely within a single lane and shall not be moved from the lane until the driver has first ascertained that the movement can be made with safety.
(2) Three lane roadways.--Upon a roadway which is divided into three lanes and provides for two-way movement of traffic, a vehicle shall not be driven in the center lane except when overtaking and passing another vehicle traveling in the same direction when the center lane is clear of traffic within a safe distance, or in preparation for making a left turn, or where the center lane is allocated exclusively to traffic moving in the same direction that the vehicle is proceeding and the allocation is designated by official traffic-control devices.
(3) Lanes limited to specific use.--Official traffic-control devices may be erected to restrict the use of specified lanes to specified classes or types of traffic or vehicles, including multioccupant vehicles or car pools, and drivers of vehicles shall obey the directions of every such device.
(4) Prohibitions against changing lanes.--Official traffic-control devices may be installed prohibiting the changing of lanes on a section of roadway and drivers of vehicles shall obey the directions of every such device.
Cross References. Section 3309 is referred to in sections 1603, 3326 of this title.
Source: official Pennsylvania text · Last verified 2026-08-27
Frequently Asked Questions About Pennsylvania § 3309
What does Pennsylvania Consolidated Statutes § 3309 cover?
Section 3309 ("Driving on roadways laned for traffic.") is part of the Pennsylvania Consolidated Statutes, the codified statutory law of Pennsylvania. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Pennsylvania § 3309?
A common citation format is "Pennsylvania Consolidated Statutes § 3309" (Pennsylvania). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Pennsylvania law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Pennsylvania official source linked on this page or consult a licensed Pennsylvania attorney.
How does Pennsylvania § 3309 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Pennsylvania can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Pennsylvania.