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Concept drill

maximum flow

GATE Civil Engineering · Transportation Engineering - Traffic Flow Theory · 2019-2026

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2026 Q60

For a given traffic stream, the speed-density relationship is given as: $v = v_o \ln \left(\frac{k_j}{k}\right)$ where $v$ is the mean speed (in km/h), and $k$ is the density (in v...

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2025 Q40

The speed-density relation on a one-way, single lane road is shown in the figure, where speed u is in km/hour and density k is in vehicles/km. The maximum flow (in vehicles/hour) o...

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2024 Q44

The free mean speed is 60 km/hr on a given road. The average space headway at jam density on this road is 8 m. For a linear speed-density relationship, the maximum flow (in veh/hr/...

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2024 PYQ

The free mean speed is 60 km/hr on a given road. The average space headway at jam density on this road is 8 m. For a linear speed-density relationship, the maximum flow (in veh/hr/...

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2021 Q13

Relationship between traffic speed and density is described using a negatively sloped straight line. If v_f is the free-flow speed then the speed at which the maximum flow occurs i...

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2019 Q19

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 o...

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2019 Q45

Average free flow speed and the jam density observed on a road stretch are 60 km/h and 120 vehicles/km, respectively. For a linear speed-density relationship, the maximum flow on t...

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2019 Q46

The speed-density relationship of a highway is given as u = 100 - 0.5 k where, u = speed in km per hour, k = density in vehicles per km. The maximum flow (in vehicles per hour, rou...

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