Drivers in Arlington, Va., be warned, four red-light cameras were turned on at 12:01 a.m. Monday.
The cameras are at four of Arlington's busiest intersections.
Drivers will get a 30-day grace period, but after that, it's a $50 fine for running a red light.
The intersections are:
- Lee Highway and North Lynn Street
- Fort Meyer Drive and Lee Highway
- Lee Highway and Washington Boulevard
- North Glebe Road and Fairfax Drive
The effectiveness of red-light cameras is still up for debate. Arlington police say the cameras reduce crashes by 40 percent at intersections where they're placed, WAMU reported. But a report by the Virginia Transportation Research Council found that rear-end crashes at those intersections increase.
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