When a public way has been divided into 2 or more clearly marked lanes for traffic, the following provisions apply.

1. 1. Single lane A vehicle must be operated as nearly as practical entirely within a single lane.

   [PL 2003, c. 452, Pt. Q, §27 (AMD); PL 2003, c. 452, Pt. X, §2 (AFF).]

2. 1-A. Movement from lane A vehicle may not be moved from a lane until the operator has first ascertained that the movement can be made with safety.

   [PL 2003, c. 452, Pt. Q, §28 (NEW); PL 2003, c. 452, Pt. X, §2 (AFF).]

3. 2. Two-way lane On a public way that is divided into more than 2 lanes and one of those lanes provides for 2-way movement of traffic, a vehicle may not be operated in that lane except:

   1. A. When overtaking and passing another vehicle when the way is clearly visible and the 2-way traffic lane is clear of traffic for a safe distance, unless an official sign or traffic control device limits the use of that lane to turning only;

      [PL 2007, c. 8, §1 (AMD).]

   2. B. In preparation for a left turn from the 2-way traffic lane;

      [PL 2007, c. 8, §1 (AMD).]

   3. C. When the 2-way traffic lane is at the time allocated exclusively to traffic moving in the direction the vehicle is proceeding and is posted to give notice of that allocation; or

      [PL 2007, c. 8, §1 (AMD).]

   4. D. As part of a 2-part turn when the vehicle turning left from a driveway or entrance uses the 2-way traffic lane until the travel lane in the direction the vehicle is proceeding can be entered safely by the vehicle.

      [PL 2007, c. 8, §1 (NEW).]

   [PL 2007, c. 8, §1 (AMD).]

4. 3. Signs An operator shall obey an official sign or traffic control device:

   1. A. Directing slowly moving traffic to use a designated lane;

      [PL 1993, c. 683, Pt. A, §2 (NEW); PL 1993, c. 683, Pt. B, §5 (AFF).]

   2. B. Designating a lane to be used by turning traffic or traffic moving in a particular direction regardless of the center of the way; or

      [PL 1997, c. 653, §8 (AMD).]

   3. C. Prohibiting the changing of lanes on sections of a public way.

      [PL 1993, c. 683, Pt. A, §2 (NEW); PL 1993, c. 683, Pt. B, §5 (AFF).]

   [PL 1997, c. 653, §8 (AMD).]

PL 1993, c. 683, §A2 (NEW). PL 1993, c. 683, §B5 (AFF). PL 1997, c. 653, §§7,8 (AMD). PL 2003, c. 452, §§Q27,28 (AMD). PL 2003, c. 452, §X2 (AFF). PL 2007, c. 8, §1 (AMD).