When a public way has been divided into 2 or more clearly marked lanes for traffic, the following provisions apply. [1993, c. 683, Pt. A, §2(NEW); 1993, c. 683, Pt. B, §5(AFF).]
1.Single lane. A vehicle must be operated as nearly as practical entirely within a single lane. [2003, c. 452, Pt. Q, §27(AMD); 2003, c. 452, Pt. X, §2(AFF).]
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. [2003, c. 452, Pt. Q, §28(NEW); 2003, c. 452, Pt. X, §2(AFF).]
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: 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; [2007, c. 8, §1(AMD).]B. In preparation for a left turn from the 2-way traffic lane; [2007, c. 8, §1(AMD).]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 [2007, c. 8, §1(AMD).]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. [2007, c. 8, §1(NEW).] [2007, c. 8, §1(AMD).]
3.Signs. An operator shall obey an official sign or traffic control device:A. Directing slowly moving traffic to use a designated lane; [1993, c. 683, Pt. A, §2(NEW); 1993, c. 683, Pt. B, §5(AFF).]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 [1997, c. 653, §8(AMD).]C. Prohibiting the changing of lanes on sections of a public way. [1993, c. 683, Pt. A, §2(NEW); 1993, c. 683, Pt. B, §5(AFF).] [1997, c. 653, §8(AMD).]
1993, c. 683, §A2 (NEW) . 1993, c. 683, §B5 (AFF) . 1997, c. 653, §§7,8 (AMD) . 2003, c. 452, §§Q27,28 (AMD) . 2003, c. 452, §X2 (AFF) . 2007, c. 8, § 1 (AMD) .