A Theresa man died early Saturday in a one-vehicle crash on Route 11 in the town of Watertown.
State police said Jordin A. Schumacher, 22, at about 1:30 a.m. was driving north when he went off the left side of the road and hit a guardrail.
He was pronounced dead at the scene by paramedics.
Speed was a factor in the crash, police said.
A section of Route 11 between Route 232 and Cagwin Road was closed until about 4:30 a.m.
Town of Watertown firefighters and ambulance squad members assisted at the scene.