How Wide is a Dual Six-Lane Highway?

[VonKaden]

A dual six-lane expressway, designed for speeds of 80-120km/h, has a subgrade width of over 33 meters, with each lane being 3.75 meters wide. It requires the establishment of green belts, shoulders, emergency lanes, and emergency parking strips ranging from 1.5 to 3.5 meters. More details about dual six-lane highways are as follows: a median divider is set up in the middle of the road, using high-grade pavement materials like asphalt concrete or cement concrete, equipped with complete signage, markings, signals, and lighting installations; pedestrians and non-motorized vehicles are prohibited from walking on the road, with interchanges, pedestrian overpasses, or underpasses used to cross other routes.