Which of the following statements is true? Select one: a. The shoulder provides

Question

Which of the following statements is true? Select one: a. The shoulder provides drainage for the road system b. The shoulder is designed so vehicles can regularly travel at the design speed and is generally designed to be between 3m and 3.5m wide. c. The traffic lanes of the road system are located outside of the shoulders in cuttings. d. The shoulder provides lateral support to the road pavement layers and also serves as a recovery area for errant vehicles and a refuge for stopped vehicles. e. The batter of a road section is located outside of the shoulders and designed to carry traffic.

Explanation / Answer

Shoulders have multiple uses, including:

In the event of an emergency or breakdown, a motorist can pull into the shoulder to get out of the flow of traffic and obtain a greater degree of safety.

Shoulders help provide extra structural support of the roadway.

Emergency vehicles such as ambulances, fire trucks & police cars may use the shoulder to bypass traffic congestion.

By above observations we conclud the answer is option (d)

The shoulder provides lateral support to the road pavement layers and also servers as a recovery area for errant vehicles and a refuge for storeds vehicles.

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