GATE 2024 AR — Planning – Question 62

Urban Land Use and Transportation · Traffic survey methods, Traffic flow Analysis · 2 marks · Numerical answer

A one-way single-lane traffic stream has average time headway 2.5 s. Find hourly flow, as an integer.

Practise this question in The GATE Grind →

Show answer and explanation

Correct answer: 1440 to 1440

Explanation

Flow is the reciprocal of average headway. With 3600 seconds per hour, q=3600/2.5=1440 vehicles/hour. This uses the observed average arrival spacing, not vehicle travel speed or road density.

More Traffic survey methods, Traffic flow Analysis questions

GATE 2022 AR — Planning Q55 – Ten vehicle spot speeds in km/h are 45, 35, 25, 51, 45, 38, 61, 42, 47, 49. Find time-mean…
GATE 2022 AR — Planning Q63 – Traffic counts in successive 15-minute intervals from 08:00 to 10:00 are 212, 248, 272,…
GATE 2026 AR — Planning Q55 – A Greenshields speed-density model is v=75−0.03k, with v in km/hour and k in vehicles/km.…
GATE 2026 AR — Planning Q65 – Peak-hour traffic on a two-lane one-way collector has(count, PCU) pairs: bus(52, 2.50),…
GATE 2025 AR — Planning Q63 – Eight spot speeds are 42, 52, 56, X, 53, 62, 65, 48 km/hour. Time-mean speed is 56.25…
GATE 2024 AR — Architecture Q15 – An enoscope in a traffic survey measures which quantity?

All Traffic survey methods, Traffic flow Analysis questions →