What is the width of a motor vehicle lane?

1 Answers
DiSawyer
07/25/25 11:46am
For a two-way four-lane road, the width is 2*7.5 meters; for a two-way six-lane road, it's 2*11.25 meters; and for a two-way eight-lane road, it's 2*15 meters. On highways, a single lane is 3.75 meters wide. Below are specific regulations regarding lane width: 1. Width standards: According to the "Highway Engineering Technical Standards," the lane width for highways designed at 120 km/h is 3.75 meters, with an emergency stopping strip width of 3.5 meters. Currently, highways in China do not exceed a design speed of 120 km/h. 2. Toll station lanes: Each toll lane on a highway is 2.5 meters wide, and wider toll lanes of 3.5 meters or more may be established when necessary.
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