Radar-triggered camera coming to I-5 in Wash.
Agency spokeswoman Alice Fiman says the automated camera is being used in an effort to slow drivers and improve safety.
Travelers will see signs that warn "Speed limit photo enforced." A small SUV parked near the highway will monitor speeds in both directions. The camera will photograph the rear license plates of speeders. Offending drivers could find a $137 citation in the mail.
The Transportation Department says the cameras were used in two work zones on I-5 south of Olympia in 2008 and 2009. Most recently, the cameras were used on I-90 over Snoqualmie Pass.
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