Driving on roadways laned for traffic
Whenever a roadway has been divided into two or more clearly marked lanes for traffic, the following rules, in addition to all other consistent rules, apply:
(1) A vehicle must be driven as nearly as practicable entirely within a single lane and may not be moved from the lane until the driver has first ascertained that the movement can be made with safety.
(2) Upon a roadway that is divided into three lanes, a vehicle may not be driven in the center lane except:
(a) when overtaking and passing another vehicle where the roadway is clearly visible and the center lane is clear of traffic within a safe distance;
(b) in preparation for a left turn; or
(c) when the center lane is at the time allocated exclusively to traffic moving in the direction that the vehicle is proceeding and is signposted to give notice of the allocation.
(3) Official signs may be erected directing slow-moving traffic to use a designated lane or designating those lanes to be used by traffic moving in a particular direction regardless of the center of the roadway. Drivers of vehicles shall obey the directions of every official sign that designates use of specific lanes.
(4) A person may turn a vehicle left across a lane marked with two yellow lines into a public or private parking lot or a roadway if the turn can be made safely and if the person does not hinder the flow of oncoming traffic.
(1) A vehicle must be driven operated as nearly as practicable entirely within a single lane and may not be moved from the lane until the driver operator has first ascertained that the movement can be made with safety.
(2) Upon a roadway that is divided into three lanes, lanes and that provides for two-way movement of traffic, a vehicle may not be driven operated in the center lane except:
(a) when overtaking and passing another vehicle traveling in where the same direction where passing the is roadway allowed is and clearly visible and where the center lane is clear of traffic within a safe distance; or
(b) in preparation for a left turn; or when the center lane is at the time allocated exclusively to traffic moving in the direction that the vehicle is proceeding and the allocation is designated by official traffic control devices.
(c) when the center lane is at the time allocated exclusively to traffic moving in the direction that the vehicle is proceeding and is signposted to give notice of the allocation.
(3) Official signs may traffic control devices may be erected directing slow-moving specified traffic to use a designated lane or designating those lanes to be used by traffic moving in a particular direction regardless of the center of the roadway. Drivers Operators of vehicles shall obey the directions of every official sign traffic control device that designates use of specific lanes.
(4) A person may turn a vehicle left across a lane marked with two yellow lines into a public or private parking lot lot, private road, private driveway, or a roadway if the turn can be made safely and if the person does not hinder the flow of oncoming traffic.
(5) Official traffic control devices may be installed that prohibit the changing of lanes on sections of a roadway, and operators of vehicles shall obey the directions of those devices.
(6) A motor vehicle may not be driven or parked in a bicycle lane that is signed and delineated as a bicycle lane by official traffic control devices.
Driving on roadways laned for traffic
Whenever a roadway has been divided into two or more clearly marked lanes for traffic, the following rules, in addition to all other consistent rules, apply:
| EnactedEn. SectionSec. 56, ChapterCh. 263, Laws ofL. 1955 |
| Revised Codes of MontanaR.C.M. 1947, 32-2159 |
| AmendedAmd. SectionSec. 2, ChapterCh. 119, Laws ofL. 1997 |