What is the maximum super elevation for plain and rolling roads as per IRC.

Question

Accepted Answer

The maximum super elevation for plain roads is 1 in 20 and for rolling roads is 1 in 15.

Super elevation is the banking of roads on curves to counteract centrifugal force.
It helps in providing a comfortable and safe driving experience.
For plain roads, the maximum super elevation is 1 in 20, which means for every 20 units of horizontal distance, there is a rise of 1 unit.
For rolling roads, the maximum super elevation is 1 in 15, indicating a steeper banking compared to plain roads.
These values are specified by the Indian Road Congress (IRC) to ensure proper design and safety standards.

Accepted Answer

As per IRC maximum super elevation for plain and rolling terrain and in the snowbound area is 1 in 15 or 4° or 7 %. On hill roads not bound by snow, a maximum superelevation up to 10% has been recommended by IRC.

What is the maximum super elevation for plain and rolling roads as per IRC.

Popular interview questions of Diploma Civil Engineer