ORANGE – State, federal and local officials gathered today to mark the start of construction on the SR-55 Improvement Project, which is intended to help improve travel times in central Orange County along one of the most heavily congested freeways in Southern California. The $475 million project is funded through a combination of local, state, and federal funds, including $140 million from Senate Bill (SB) 1, the Road Repair and Accountability Act of 2017.