Transportation Industry
UTAH: Blink-Out Signs
Transport Topics, December, 2005 by Anonymous
RIVERTON - The Utah Department of Transportation has installed electronic signs that warn of upcoming signal lights that have turned red or are about to do so.
Since June, UDOT has been using so-called "blink-out" signs at three Bangerter Highway intersections in Salt Lake Valley, and more such signs are planned.
The blink-out signs hang about 400 feet in front of the signals. About six seconds before the traffic signal turns yellow, the blink-out lights turn on. Flashing lights accompany a brightly lit message that reads: PREPARE TO STOP.
"The preliminary information we've gotten back indicates that we've reduced red-light running by about 78%," said Mack Christensen, traffic engineer for UDOT Region 2.
He said the signs have been put at locations of...
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