Highway Engineering
The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as

condition diagram
pie chart
collision diagram
spot maps

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Highway Engineering
Select the correct statement.

More the value of group index, less thickness of pavement will be required
More the value of CBR, greater thickness of pavement will be required
All of these
Minimum and maximum values of group index can be 0 and 20 respectively

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