Construction Update
Exit 16 DDI
DATE: Friday, March 10, 2023
 
TRAFFIC IMPACT AND DURATION:
Crews will be onsite, Monday through Friday between the hours of 7:00 a.m. and 5:00 p.m. Traffic impacts will be restricted to the hours of 9:00 a.m. and 4:00 p.m. Monday through Friday.

Single lane closures in both directions along U.S. Route 2/7 (U.S. 2/7) will be in effect throughout the week as crews conduct work between South Park Road and Mountain View Drive. Only one lane will be closed in each direction at any time. The specific lane closures will vary throughout the week. In addition, there will be lane width reductions along the Interstate 89 (I-89) southbound offramp on the west side of U.S. 2/7. The I-89 ramps will remain open.

Traffic patterns will vary throughout the week. Motorists are reminded to slow down, stay alert, and follow construction signage within the work zone. Flaggers will be present to assist motorists.
CONSTRUCTION ACTIVITIES: 
Next week, crews will continue mechanically removing ledge and other materials from behind the bridge pier on the west side of the interstate bridges over U.S. 2/7 to facilitate the installation of the retaining wall. This work will require lane width reductions along the I-89 southbound offramp and intermittent closures of the outermost southbound travel lane.

The sawcutting of trench lines for the installation of new drainage infrastructure will continue throughout the week. The blasting subcontractor, Maine Drilling and Blasting (MDB) will be onsite continuing investigatory work for future blasting activities. MDB will continue boring (drilling holes into the ground) on U.S. 2/7 at locations along the new future waterline and utility duct bank to determine the location of ledge beneath the roadway surface. Sawcutting and boring work will take place between South Park Drive and Mountain View Drive. This work will be completed under single lane closures in both directions along U.S. 2/7. 
Crews continue to remove earth material to facilitate the installation of the retaining wall along the west side of U.S. 2/7.
LOCATION: U.S. Routes 2/7 (U.S. 2/7) in Colchester starting at the Winooski town line and continuing north for 1.05 miles to Sunderland Woods Road.

PROJECTED COMPLETION: Contract 1 Spring 2024 / Contract 2 Summer 2026
Construction Public Meeting Materials
VTrans held a Construction Public Meeting for the Exit 16 DDI Project on Thursday, January 12, 2023. The meeting included a presentation comprised of an overview of the project, the construction schedule and sequence, the anticipated impacts, and information about future blasting activities. View the presentation and watch the recording of the public meeting!
Diverging Diamond Interchange Comes to Vermont Educational Video
This video provides an overview of the Exit 16 DDI project, discusses the benefits of the Diverging Diamond Interchange design, and demonstrates how drivers, cyclists and pedestrians will navigate the new traffic pattern coming to Colchester, VT.
Translated Materials
VTrans is committed to providing a comprehensive and robust communications and public outreach program as part of this project. 

The project website has been upgraded to include a translation feature with the ability to automatically translate website content into 11 languages. 

In addition, the website is now home to a translated materials tab which includes several frequently asked questions and answers that have been translated into 11 languages with help from trained interpreters and translators from AALV in Burlington, Vermont. 
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