A mobile speed camera vehicle sits in the 2900 block of Bladensburg Road NE. (Mark Gail/WASHINGTON POST)

Police say the new cameras are already in operation. Warnings will be issued through the end of September, and drivers are being warned that they will start receiving tickets — ranging from $75 to $250 — come Oct. 1.

The prevalence of speed cameras throughout the Washington region is part of a nationwide effort to toughen up enforcement and reduce traffic deaths. According to a 2010 study, speed camera use has helped cut fatalities by more than half in some countries.

The District’s speed camera program already yields more than $10 million a year for the city.


Map: D.C. speed cameras

Study: U.S. could avert thousands of traffic deaths with tougher enforcement

Your Take: Where are the sneakiest, most loathsome speed cameras?

2005: D.C. police plan more speed cameras

Dr. Gridlock: More traffic, transportation news