Explain the classification of roads based on location and function as suggested in Nagpur Road plan.

Explain the transportation planning process with a brief description of each stage.

Write a note on PIEV theory.

Describe any five elements of road margin.

3. Design the following geometrical features for a highway in a built-up area, if the radius of the circular curve is 325 m

Superelevation

Extra widening

Length of transition curve

(Design speed =65 kmph, Length of the longest vehicle 6·0 m and pavement width lO·5m) BICE-020 1

4. Explain in detail the Marshall method of mix design.

Compute the radius of relative stiffness of 20 cm thick cement concrete slab from the following data

Modulus of elasticity of cement concrete 2,10,000 kg/cm^2
Poisson's ratio for concrete 0·15
Modulus of subgrade reaction, k 3·0 kg/cm^3 and 7·5 kg/cm^3

Draw and neat cross-section of a flexible pavement and explain the function of each pavement layer.

Write down the construction steps for water bound macadam roads.

Briefly mention the common failures in flexible pavement.

Describe the following terms:

Traffic capacity

Traffic density

Signal cycle

Level of service

Traffic volume

What are the different types of controls at an intersection Show potential conflict points for two roads A and B meeting at grade. The road A is a two lane two way road and road B is a two lane road carrying one way traffic.

Write down the purpose of installing regulatory or mandatory signs and draw neat sketches of regulatory or mandatory signs.

State warrants for traffic signal installation.

9. Explain with a neat labelled sketch the process of surface drainage.

Write a short note on "Benefit cost ratio method".

10.(a) Classify the various modes of transport based on their operating characteristics.

Describe the various studies carried out during highway planning.