Chicago Urban Traffic & Transit Light Decoder

Real-Time Transit Priority, Flashing Yellow & Queue Jump Simulator
Queue Jump Priority
Vehicle Type:

Signal Aspect Workbench

Click any rare aspect below to switch the phase, inspect legal driver requirements, and verify right-of-way rules.

Vertical White Bar
Horizontal White Bar
Flashing Yellow Arrow
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Red Bike Signal
Live Intersection State
Active Phase: Queue Jump Active: CTA Bus proceeds while general traffic holds at red light.
Right-of-Way Holder: Transit Vehicles
Vehicle Motion State: proceeding
Violation Detected: false
Chicago MUTCD Rule: A vertical white bar signal grants exclusive right-of-way to transit buses (CTA) to enter the intersection ahead of general traffic, preventing delay at queue-jump points.