Highway Engineering
A traffic rotary is justified where

number of intersecting roads is between 4 and 7
space is limited and costly
when traffic volume is more than 5000 vehicles per hour
when traffic volume is less than 500 vehicles per hour

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Highway Engineering
Select the correct statement.

All of these
Minimum and maximum values of group index can be 0 and 20 respectively
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

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