Highway Engineering
If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is

1500 vehicles per hour
2000 vehicles per hour
2500 vehicles per hour
3000 vehicles per hour

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Highway Engineering
The provision of traffic signals at intersections

increases right angled and rear end collisions
reduces rear end collisions but may increase right angled collisions
reduces right angled collisions but may increase rear end collisions
reduces right angled and rear end collisions

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