Highway Engineering
In CBR test the value of CBR is calculated at

both 2.5 mm and 5.0 mm penetrations
7.5 mm penetration only
2.5 mm penetration only
5.0 mm penetration only

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Highway Engineering
Centre line markings are used

to indicate that overtaking is not permitted
to designate traffic lanes
to designate proper lateral placement of vehicles before turning to different directions
in roadways meant for two way traffic

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