mpdc

Metropolitan Police Department
 

DC Agency Top Menu


Cold Emergency -The District's Cold Emergency Plan is currently active.

The Cold Emergency Plan is part of the 2015-2016 Winter Plan.

 

-A +A
Bookmark and Share

How Red-Light Cameras Work

how red light cameras work

 

  1. Sensors in the pavement detect when a vehicle crosses the stopline after the traffic signal has turned red.
  2. First violation photo is taken as the vehicle crosses the stop line.
  3. Second photo is taken after the vehicle enters the intersection.