Applied Information Transportation Technology

Category: Performance Measures

How to Identify and Address Power Problems at Intersections

Dark Intersections

Traffic and pedestrian signals rely on the power grid, so it’s not uncommon for signals to go dark or experience power failures. Often, these power outages occur during severe weather or high winds. They can also occur due to poor wiring, grounding issues or bad transformers.

Dark intersections confuse motorists and increase the risk of an accident. This is especially true for streets with four to six lanes and for intersections with turn bays. In these cases, the right-of-way can … Continue Reading



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