SSC JE 2019-20: Transportation Engg. Quiz-5

Green time of an intersection is 25 sec, cycle time is 55 sec and corresponding yellow time is 3 sec. If the start up loss time is 2 sec., saturation headway is 2.2 sec and clearance time is 1 sec then capacity movement per lane is

The speed-density relationship in a mid-block section of a highway follows the Greenshield’s model. If the free flow speed is v_f and the jam density is k_j, the maximum flow observed on this ection is

While designing a rotary, what is the primary determining factor for the shape of the central island?

What shape of rotary will be provided when two equally important roads cross at roughly right angles?

Which are the cases when a signalized intersection is more suitable than a rotary intersection?

i. very high left turning traffic

ii. high pedestrian traffic

iii. limited availability of land

Which of the following statements are true about kerb parking?

i. Angle parking is favorable to the drivers.

ii. 90° angle parking is most favorable to drivers

Which one of the following is a major traffic conflict?

What is the shape of the speed limit sign?

How many minor conflict points are there for a two-way, two-lane road if pedestrian traffic is not considered?