Highway Engineering
The aggregates required for one kilometer length of water bound macadam road per meter width and for 10 mm thickness is

10 cubic meter
12 cubic meter
15 cubic meter
8 cubic meter

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Highway Engineering
Centre line markings are used

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

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