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Transportation Engineering2D

Traffic Signal Design - Theory & Concepts

Principles of signal phasing, timing, and capacity analysis for signalized intersections.

Open the complete lesson

Traffic Signal Timing Simulator

Adjust the cycle length and phase distribution to observe how green, amber, and all-red clearance intervals allocate time to competing traffic streams.

60 s
30 s
3 s
2 s
Time: 0s / 60s
North/South
East/West
E/W
Y
N/S
Y