GATE 2026 Civil Engineering Q42

Question

A road is divided into four sections having varying widths as shown in the figure. Section-2 (S2) represents a a capacity constrained condition with respect to the traffic flow passing through Section-1 (S1). Section-3 (S3) and Section-4 (S4) do not face any such capacity constraint with respect to the flow. A flow-density relationship for unconstrained and constrained flow conditions is shown in the figure.
If Section-1 observes density D2, the option representing the correct state of density in Sections 2, 3 and 4 is:

Accepted Answer

4

Answer

S2 – D4 ; S3 – D3 ; S4 – D2

Answer

S2 – D3 ; S3 – D2 ; S4 – D1

Answer

S2 – D3 ; S3 – D4 ; S4 – D2

Answer

S2 – D4 ; S3 – D3 ; S4 – D1