2012 Massachusetts General Laws
PART I ADMINISTRATION OF THE GOVERNMENT(Chapters 1 through 182)
TITLE XIV PUBLIC WAYS AND WORKS
CHAPTER 89 LAW OF THE ROAD
Section 4B Driving in lane nearest right side of way
Section 4B. 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. When the right lane has been constructed or designated for purposes other than ordinary travel, a driver shall drive his vehicle in the lane adjacent to the right lane except when overtaking another vehicle or when preparing for a left or right turn; provided, however, that a driver may drive his vehicle in such right lane if signs have been erected by the department of highways permitting the use of such lane.
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