A traffic signal inexplicably stays red even without vehicles. Traffic Light Doctor investigates the controller cabinet, uncovering a potential camera or power supply issue. Troubleshooting involves fuse checks and component swaps to restore normal operation.
Traffic Light Doctor tackles a tricky traffic signal malfunction on a scorching day. Troubleshooting involves voltage checks and component swaps, focusing on a specific LED and its related circuitry. The expert uses a bucket truck to access the signal head for repair.
An intersection's traffic signals were destroyed, and this video documents their complete restoration. The Traffic Light Doctor team replaces damaged poles and wiring, installing new signal heads and pedestrian buttons. Expert technicians meticulously re-establish vehicle detection and power.