Exam 10: Road Infrastructure and Design: Understanding Traffic Signals, Pavement

In order to give satisfactory service throughout the year, the road surface should

The foundation of a road is also called

In hill roads, minimum sight distance required is

According to IRC : 52-1973, the first stage for fixing up alignment of a hill road is

Class-5 roads have a width of

The most efficient traffic signal system is

Of all the forces stressing a concrete pavement, the most significant are those imposed by the

The colour of light used for visibility during fog is

The value of ruling gradient in hills, as recommended by Indian Roads Congress, is

The suitable gradient within which the engineer must endeavour to design the road is called

Gradients more than the floating gradient result in the

The flexible pavement distribute the wheel load

Longitudinal joints in concrete pavements

The highest point on road surface is called

Super-elevation should not be

To prevent the overturning of a bullock cart on curves, the maximum value of super-elevation as prescribed by the Indian Roads Congress is

The group index method of designing flexible pavement is

The shape of the camber provided for cement concrete pavement is

A road sign is generally installed above the ground at a height of

Transverse joints are provided at right-angles to the length of road.