State opens final I-81 ramp as viaduct project nears key milestone
A new I-81 south to I-481 north ramp now gives downtown-to-eastern-suburb drivers a direct link, easing trips through Syracuse and Cicero.
Drivers moving between downtown Syracuse and the eastern suburbs now have the last missing link in the rebuilt I-81 and I-481 interchange system. The final ramp from Interstate 81 southbound to Interstate 481 northbound opened June 11, giving commuters, delivery trucks and through traffic a faster route toward Jamesville, DeWitt, Fayetteville, Manlius and Cazenovia.
The opening matters most for people trying to avoid the old tangle of detours and lane changes tied to the I-81 project. State officials said the reconfigured northern and southern interchanges in Cicero and Syracuse are now complete, meaning all major infrastructure in the footprint where future I-81 and future Business Loop 81 will meet is open to traffic. That should make the trip from downtown Syracuse to the east side suburbs more predictable while reducing bottlenecks on nearby connecting roads.
The state says the interchange rebuild is a key piece of the larger I-81 Viaduct Project, which officials have described as the largest project in Department of Transportation history. The long-term goal is to take down the 1.4-mile elevated viaduct that slices through downtown Syracuse and replace it with a street-level Community Grid. State leaders have said the elevated highway divided neighborhoods for more than 60 years, including the Valley neighborhood and parts of downtown, and that the new layout is meant to restore local street connections while keeping regional traffic moving.
The reconstruction came with a combined price tag of $366 million. The northern interchange contract in Cicero cost $226.5 million and began in March 2023, about two years before it was originally expected to be finished by the end of 2025. The southern interchange work in Syracuse cost $140 million and began in July 2023. Together, the two projects now create a high-speed alternative for drivers traveling between the highway network and the eastern suburbs, while also reshaping how freight and commuter traffic enters and leaves Onondaga County.
Governor Kathy Hochul said the milestone fits into a broader effort to reconnect neighborhoods and support Syracuse’s next phase of redevelopment, including the ripple effects of Micron’s semiconductor investment. New York State Department of Transportation Commissioner Marie Therese Dominguez said the opening marks another step toward bringing down the viaduct and repairing what state leaders have called the wrongs of decades past. For drivers, the immediate change is simpler: one more missing piece is finally in place, and the new traffic pattern around I-81 is starting to look finished.
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