Traffic lights went out at a dozen intersections in D.C. Wednesday afternoon.
Authorities want drivers to remember the law in such situations and treat the intersections as four-way stops.
Lights at the following eight intersections are still in flash mode:
Lights at these intersections are working again
D.C. Department of Transportation traffic control officers were sent to major intersections with assistance from the police department.
Contractors are trying to determine the cause and fix it. It appears to be a computer glitch.
Delays are possible around the affected intersections.
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