ATSSA Signal Nov/Dec 2018

American Traffic Safety Services Association 24 Innovation & New Programs AGENCIES THAT DEPLOY WORK ZONE ITS ON FREEWAYS 1 At least interstate corridors in 14 states have used variable speed limit systems POPULARITY Get the Facts Saving Lives and Increasing Mobility Through the Use of Work Zone Intelligent Transportation Systems (ITS) hours of freeway delay are caused by work zones 2 Real-time travelers observed (improved traffic flow) in work zones using ITS 3 888 million 16-19% diversion 82% One study found that of surveyed drivers felt that the ITS system improved their ability to react to stopped or slowed traffic 30 (according to the most recent annual data) INCREASED MOBILITY WORK ZONE STATS FOR THE U.S. 4 fatalities 712 130 worker fatalities 96,331 crashes