What is the width of the median in this cross section? What is the width of a typical lane in this cross section?
Geomtric quetions 1- A 4 lane divided highway with a 12 feet median has a highway grade of -1.5%. The minor road approach grade is 3.5%. The design speed is 45 mph for the maior road and 40 mph for the minor road. Find the right turn departure sight distance for a passenger car taking […]