The New York State Department of Transportation has begun a $4.5 million project to upgrade four bridges carrying State Route 17 over Vestal Road and the Susquehanna River in the Towns of Union and Vestal. The bridges date back to 1969 and see roughly 42,000 vehicles pass over them daily along this Southern Tier corridor. Route 17 Corridor Connects Key Southern Tier DestinationsState Route 17 ranks among the busiest routes in the Southern Tier, carrying an estimated 42,000 vehicles a day through this stretch of Broome County. Both the northbound and southbound entrance ramps from State Route 26 to State Route 17 East will be closed at points during construction, and drivers should anticipate significant delays. 2026 Southern Tier County Fairs in New York Planning your summer in New York’s Southern Tier?