Should the aluminum roll be in the direction of the aluminum roll length or width?
Therefore, the highway standards at different levels are different, and the following is the highway standard at all levels:The two-way highway of standard highway and first class highway is 2*7.5 meters, the six lane is 2*11.25 meters, and the eight lane is 2*15 meters. The four lane is 2 meters
Should the aluminum roll be in the direction of the aluminum roll length or width?The width of the road shall not be less than 1.5 times the width of the standard vehicle, and the width of the carriageway shall be at least 7.0M, and the lane shall not be narrower than 4.0M. (County Road, the main road on the standard)As the national standard does not specify the upper limit of the total width of the road, it only specifies the width of the minimum Lane corresponding to different grades of highways.
Grade two subgrade width is 10.0m. When setting up the slow lane, the width of the new standard subgrade is 15m and 12m respectively, while the original standard is 17.0m, corresponding lane 14.0m.Provincial standard is 20m, but must be hard shoulder, the corresponding pavement width of 10.5m, 8.5m.The highway bridge, a special highway, using integrated superstructure, median and shoulder width of appropriate narrow, but should not be less than the minimum value of the corresponding standard 28m subgrade, bridge deck width is 26m.
