Welcome to the Oswego County Highway Department
We are responsible for the maintenance and safety of approximately 505 miles of county roads, 113 bridges, 4,000 culverts, 7,000 signs and 35 miles of guide railing throughout Oswego County. Please use the links on the left to access information and services provided by our department.
Main Office Hours:
8 a.m. - 3:30 p.m. Monday-Friday
24 hours per day, 7 days per week (November-April)