KSL Utah
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Salt Lake City has implemented leading pedestrian intervals (LPIs) to enhance crosswalk safety.
A Columbia University study found LPIs reduced pedestrian injuries by one-third in New York City.
Salt Lake City wants to expand its LPI network to all of its intersections.
SALT LAKE CITY — A few years ago, as Utah dealt with an uptick in roadway fatalities , Salt Lake City's transportation division began tinkering with the timing of crosswalk signals based on an emerging new concept.
A few other U.S. cities had installed leading pedestrian intervals , or LPIs, as a potential solution to improve traffic safety. The traffic signal technology gives pedestrians a slight head start at a crosswalk. Most of the research had been preliminary to
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