Question

#5-16)-A freeway ramp has following characteristics

Radius of inner edge of pavement equal to 100 ft.

One way, one lane operation with no provision for passing a stalled vehicle

Design traffic condition A

Barrier curb on both sides.

The ramp pavement width needed (ft) is most nearly?

1. 17
2. 18
3. 16
4. 15

Answer 1

Ans: From the table 3.29 in Geometric design of Highways and Streets , 6^th edition the width of pavement for given conditions is 15ft , and for the barrier kerb in two sides add extra 2ft to the width of the pavement.

So , the final width of the pavement is – 17ft.