SHORT-TERM CLOSURE and DETOUR:
I-91 NB and Route 15 NB temporary Exit ramp closures to East Main Street Begin Sunday, April 19 through Sunday, May 3, 2026. Read more and see the detour maps.
NEW RAMP OPENS:
The new Route 15 NB Exit NB Exit 64-A to East Main Street is anticipated to open in its new configuration on Monday, May 4, weather permitting. Read more.
DAY WORK:
During weekdays Monday through Friday from 6:00 AM to 3:30 PM crews will conduct a variety of work as noted throughout the I-91, I-691, Route 15 Interchange Phase 2 Project limits:
- Maintenance and protection of traffic with lane and shoulder closures on I-91, I-691, and Route 15, and some local roads, as required.
- Maintain stockpile locations, sweeping, dust control, as required.
- Excavate and backfill at the detention pond
- Excavate and backfill along Route 15 NB
- Install modules for multiple retaining walls and parapets.
- Excavate, formation of subgrade, place process aggregate base on the Route 15 NB Exit 65-B ramp to I-691 WB
- Excavate, formation of subgrade, place process aggregate base on the I-91 NB and Route 15 NB off ramps to East Main Street.
- Pave various areas along I-91 NB, I-691 WB, Route 15 NB, the I-91 NB median and the Route 15 NB Exit 64-B ramp to East Main Street.
- Excavate, formation of subgrade, place process aggregate base on Paddock Avenue aprons, curbing, and sidewalk.
- Set and strip formwork for :
- Multiple moment slabs.
- The pedestals for the East Main Street Bridge.
- Paddock Avenue and sidewalks and ramps, and pour sidewalks.
- Temporary slabs for concrete pavement replacement, and pour.
- Prep, pour, cure, patch, and install penetrating sealer at various locations.
- Jacking of column alterations on the I-691 WB Bridge over Route 15
- Install illumination at multiple retaining walls.
- Install overhead sign foundations at various locations throughout the project limits.
- Install metal beam rails and anchors on Route 15 NB and I-91 NB in various locations.
- Onsite/offsite trucking.
NIGHT WORK:
Sunday through Thursday nights from 7:00 PM to 6:00 AM crews will conduct a variety of work as noted throughout the I-91, I-691, Route 15 Interchange Phase 2 Project limits:
- Ramp and lane closures on Route 15, I-91, and I-691.
- Strip temporary sidewalks on Paddock Avenue and overhangs on bridge
- Full-depth roadway replacement on Paddock Avenue
- Milling for pavement overlay on Paddock Avenue
- Paddock Avenue Road Closure: follow detour route—detour routes
- Tree clearing and roadway core testing with lane closures for Phase 3 of the Program.
LONG-TERM CLOSURES/TRAFFIC PATTERNS:
- The On-ramp to Route 15 NB, I-91 NB and I-691 EB from East Main Street is closed temporarily for roadway construction and safety. Read more and see detour map.
- Paddock Avenue: one-way alternating traffic controlled by a temporary traffic signal, and nighttime closure/detour on Paddock Avenue over Route 15 between Barr Road and Overlook Road. Read more.
SAFETY ALERT!
ONE WAY; DO NOT ENTER: Learn more about not using the off-ramps at East Main Street to enter highways.

