How wide is a lane in meters?

1 Answers
LaBeau
07/29/25 9:48am
A two-way four-lane road is 2x7.5 meters, a two-way six-lane road is 2x11.25 meters, and a two-way eight-lane road is 2x15 meters. Meaning of lane width: Lane width (also known as standard lane width) refers to the width required for a single line of vehicles to travel safely and comfortably on the road, including the external width of the design vehicle and the necessary clearance for passing, overtaking, or parallel driving. Detailed explanation of lane width standards: The national standard specifies the width of each motor vehicle lane on highways. For multi-lane roads above the third grade, the width of each motor vehicle lane is 3.5-3.75 meters. There is no uniform standard for the central median strip, which is determined based on local conditions. A simple cement central median strip is one meter wide.
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