List of top Infrastructure Planning Questions on Traffic survey methods, Traffic flow Analysis asked in GATE AR

A four-arm uncontrolled un-signaled urban intersection of both-way traffic is illustrated in the figure. Vehicles approaching the intersection from the directions A, B, C, and D can move to either left, right, or continue in straight direction. No U-turn is allowed. In the given situation, the maximum number of vehicular crossing conflict points for this intersection is _________ (answer in integer)


 

The spot speeds (in km/h) of eight vehicles in a traffic stream are 42, 52, 56, X, 53, 62, 65, and 48. X is the spot speed of the fourth vehicle. The Time Mean Speed of the traffic stream is 56.25 km/h. After determining the value of X, the calculated Space Mean Speed of the traffic stream is _________ km/h. (rounded off to two decimal places)
Which of the following methods is/are used in traffic survey to measure the Running Speed and Journey Speed?
Match the items in Group-I with their corresponding items in Group–II
Group IGroup II
(P)   Floating floor  (1) Overflow control
(Q)    Float valve (2) Delay not affecting a project
(R)    Metal float (3) Acoustical buffer 
(S)    Free float (4) Plastering equipment
 (5) Traffic flow control