Work zones present an increased risk for workers who build, repair, and maintain roads, bridges, and tunnels, as well as for a variety of road users, including pedestrians, bicyclists, and motorcyclists, who are confronted with less than ideal safety conditions in these work zones.
Global statistics on work zone-related injuries are not available, however the US Federal Highway Administration (FHWA) reported 25,485 of work zone crashes involving at least one injured party in 2015, of which 642 resulted in