Route 3 SB on-ramp to I-91 SB Detour and Closure

Posted on October 15, 2026

The I-91 SB on-ramp from Route 3 SB will be closed (ramp closure)  Tuesday through Friday nights (10/12 through 10/15) for shimming and drainage work between the hours of 8:00 PM and 6:00 AM
 
The detour route will be as follows:

  • Continue on Route 3 SB
  • Left onto Silas Deane Highway (Route 99)
  • Right onto I-91 SB on-ramp
If inclement weather causes postponement, a new date will be announced.

I-91 SB on-ramp from Route 3 SB Closure and Detour