183.  Roughness index of roads, is expressed as
A. size of the stone on the pavement
B. number of patches on the pavement
C. cumulative deformation of surface per horizontal distance
D. type of the road surface.

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184. Traffic surveys are carried out
A. to know the type of traffic
B. to determine the facilities to traffic regulations
C. to design proper drainage system
D. all the above.

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185. Traffic census is carried out for
A. speed and delay study
B. road parking study
C. traffic volume study
D. all the above.

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186.  As per recommendations of I.R.C., traffic volume study is carried out for rural roads for 7 days continuously during
A. harvesing
B. lean season
C. harvesting and lean season
D. none of these.

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187.  At intersection of roads, the traffic volume study is carried out to ascertain the number of vehicles
A. moving along straights
B. turning left
C. turning right
D. all the above.

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188. Pick up the correct statement from the following :
A. Seasonal cycle of traffic volume during April and November, is usually near the annual average
B. Mid-winter seasonal cycle of traffic is least
C. Mid-summer seasonal cycle of traffic is highest
D. All the above.

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189.  Increase in traffic volume, due to increase in transport vehicles, is known as
A. development traffic
B. normal traffic growth
C. generated traffic growth
D. current traffic

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