Roger Edwards, a lock operator for the Monongahela River Locks and Dam 2, rides a cart around the facility in Braddock, Pennsylvania, April 25, 2023. The U.S. Army Corps of Engineers Pittsburgh District operates the facility 24 hours a day, all year long, including holidays. Braddock is one of 23 locks and dams in the district, and it is the closest lock to the point of Pittsburgh on the Monongahela River. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)