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  • Phase 1: $85 Million
  • Phase 2: $185 Million
  • Phase 3: Currently in design
  • Phase 1: Began October, 2023 – anticipated end date: October 14, 2025
  • Phase 2: Began February 27, 2024 – anticipated end date: November 30, 2028
  • Phase 3: Currently in design – anticipated to begin in 2025
  • I-91, I-691, and Route 15 will always remain open, however there will be nighttime lane and ramp closures. All detours will be posted on our website.
  • All traffic impact information can be found on our website and in our email alerts. CTDOT will also send out press releases, when necessary, to alert the traveling public of any significant closures ahead of time. All detours will be posted on our website prior to the work being performed. View closure and detour information here.
  • We anticipate that all major impacts such as lane and ramp closures and will happen during off-peak hours between 8:00 p.m. and 6:00 a.m. (nighttime).