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Motorists in Syracuse should prepare for more lane closures and detours on Interstate 81 as the next phase of the I-81 Viaduct Project ramps up beginning Monday (April 20). The New York State Department of Transportation (NYSDOT) will reduce northbound I-81 to one lane between Exit 22 and Exit 23 in Syracuse from 9 a.m. to 3 p.m. Monday and Tuesday for overhead sign inspections, with additional southbound lane closures continuing through Thursday, April 30, for bridge work and viaduct construction.
These weekday closures are part of a major infrastructure initiative that will reshape downtown Syracuse. Phase Two of the project includes demolishing the elevated highway, constructing new interchange connections, and replacing aging water and sewer lines under key streets. The elevated viaduct is set to fully close by the end of 2026, with demolition work extending into 2027 and 2028, as highlighted by CNY Signal.
Alongside highway restrictions, drivers will face additional complications near the JMA Wireless Dome and local hospitals. Starting Wednesday (April 22), road closures and traffic pattern changes will occur west of the Syracuse University campus to allow construction of a new roundabout on Van Buren Street. These detours will impact access to Upstate University Hospital, Crouse Hospital, and the Syracuse VA Medical Center, with adjustments lasting for at least six months. University officials and hospital leaders have warned that parking and access will be limited during commencement, summer events, and the first two fall football games, according to Syracuse.com.
NYSDOT urges drivers to expect delays, slow down in work zones, and check for real-time updates at 511ny.org or through the I-81 Connect mobile app. All construction activities are weather dependent and subject to change.
Looking ahead, the $2.25 billion I-81 Viaduct Project will continue to alter downtown Syracuse traffic through at least 2028. NYSDOT is monitoring funding uncertainties and has implemented air quality and community health measures near the demolition zone. Additional overnight closures are also expected throughout the spring and summer.