I-91 SB Exit 25S off-ramp to Route 3 closure and detour

Posted on June 24, 2026

The I-91 SB Exit 25S off-ramp to Route 3 SB to Wethersfield will be closed for construction (ramp closure) Wednesday night, 6/29, for traffic shift, from 8:00 PM to 6:00 AM.  A detour will be in place to bring travelers to Route 3.

The detour route is as follows:
  • Continue on I-91 SB to Exit 24 (Route 99 Wethersfield and Rocky Hill)
  • Left at the end of the exit ramp onto Silas Deane Highway (Route 99)
I-91 SB Exit 25S to Route 3 closure and detour