Weekly Construction Update - Friday, October 2, 2026
REMINDER: Traffic at the Interstate 89 (I-89) Exit 16 Interchange in Colchester has permanently transitioned to the new Diverging Diamond Interchange traffic pattern on U.S. Route 2/7 (U.S. 2/7).
Motorists should remain alert and use caution while traveling through the area. Please slow down, follow roadway markings and signage, obey traffic signals, and watch for traffic control personnel as construction activities continue and drivers acclimate to the new interchange configuration. To learn more about DDIs and how to navigate them, visit the project website.
TRAFFIC IMPACT AND DURATION: Daily, starting the morning of Monday, October 5, through the afternoon on Friday, October 9, between 9 a.m. and 3 p.m. unless otherwise noted:
- Lane closures along either side of U.S. 2/7 between South Park Drive and Mountain View Drive. Two-way traffic will be maintained. The traffic signals within the interchange will continue to be operational and control crossover traffic.
CONSTRUCTION ACTIVITIES: Daytime work will take place between 7 a.m. and 3 p.m., starting the morning of Monday, October 5, through the afternoon on Friday, October 9. Throughout the week, crews will continue installing the center islands along U.S. 2/7 and the splitter islands on the interstate ramps within the Exit 16 Diverging Diamond Interchange under lane closures. Crews will also adjust roadway structures and construct sidewalk in this area. Additional repair work will continue on the I-89 overpass bridge piers between the I-89 North and South ramps. This work will take place off the roadway.


Crews construct the center and splitter islands on the Exit 16 Diverging Diamond Interchange.
Nearby Construction Project Highlights:
City of Winooski Main Street Revitalization Project
- Project Area: Main Street in Winooski, between the railroad bridge near Maple Street and the Colchester town line near Checkerbay Carwash
- Next week: Over the next several weeks, crews will intermittently complete punch list work throughout the project limits.
- Traffic Impacts:
- Monday – Friday, 7 AM to 7 PM | Main Street within the project limits may have intermittent shoulder closures and on-street parking restrictions, with most of the work conducted off the roadway.
- Project website
Construction: Spring 2024 – Summer 2026