City Policy Crash-Test
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Closed segment shown dashed. Run the crash-test to see where traffic goes. Scroll to zoom, drag to move, click a street for details.
Fewer cars
More cars
Closed to cars
Rue de Rivoli, no through cars
Show changes from
10
50
100
cars/h
Set up a crash-test
Study area
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Policy
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Demand
Normal, 1,200 car trips/h. The agent also tests low and high demand.
Simulation budget
6 simulations, 3 seeds each
Run from
Recorded sample
Live agent
Plays back a recorded run, step by step. Pick Live agent to run SUMO and Nemotron for real.
The agent checks
Residential streets: over +30% and +100 cars/h
Total delay: over +10% and +20 veh·h
Gridlock: stuck vehicles or unfinished trips
Run crash-test