Detours Schedule
2022 Closures
Aug 2021
- Pershall Road Lane Closure Elizabeth to Old Halls Ferry Closure Duration: 9 Months (Continuation of 2021 Work)
Nov 2021
- Dunn Road Lane Closure Old Halls Ferry to West Florissant Closure Duration: 3 months (Continuation of 2021 Work)
Feb 2022
- New Florissant Closed at 270 - Bridge Demo (East Bound) Closure Duration: 1 Weekend
- West Bound 270 to North Bound 367 Ramp Closed Closure Duration: 2 Months
March 2022
- North and South Bound New Florissant Lane Closures Closure Duration: 2 Weeks
Apr 2022
- East Bound 270 On Ramp from Washington/Elizabeth Closed Closure Duration: up to 3 Months
- West Bound 270 On Ramp from New Halls Ferry Closed Closure Duration: 3 Months
- Dunn Road Closed at Taylor Closure Duration: 3 Weeks
May 2022
- Pershall Road Lane Closure Hanley to New Florissant Closure Duration: 4 Months
- East Bound 270 Exit Ramp to West Florissant Closed Closure Duration: 2 Months
- East Bound Dunn Road Closed Coldwater Creek to Graham Closure Duration: 2 Months
- West Bound 270 On Ramp from Hanley/Graham Closed via Dunn Road Closed Closure Duration: 1 Week
Jun 2022
- East Bound 270 Exit Ramp to New Halls Ferry Closed Closure Duration: 2 Weeks
- Dunn Road Lane Closure West Florissant to Washington Closure Duration: 3 Months
- West Bound 270 On Ramp from West Florissant Closed Closure Duration: 1 Month
- East Bound 270 On Ramp from Hanley/Graham Closed Closure Duration: 2 Months
- East Bound 270 Exit to New Florissant Closed Closure Duration: 1.5 Months
Jul 2022
- South Bound 67 at Southern Tie-in to Existing South Bound 67 Closure Duration: 1 Weekend
- East Bound 270 to North Bound/South Bound 67 Ramp Closed Closure Duration: 1 Week
- South Bound 67 to West Bound 270 Ramp Closed Closure Duration: 3 Weeks
- Taylor to South Bound 67 Closed Closure Duration: 3 Weeks
Aug 2022
- East Bound Dunn Road Closed Coldwater Creek to Graham Closure Duration: 2 Months
- West Bound 270 On Ramp from Hanley/Graham Closed via Dunn Road Closure Duration: 1 Week
- New Halls Ferry Closed at 270 - Bridge Demo (East Bound) Closure Duration: 1 Weekend
- South Bound 67 Closed at Taylor - 67 Traffic Detoured thru Taylor Closure Duration: 1 Month
Sep 2022
- West Bound 270 On Ramp from New Halls Ferry Closed Closure Duration: 3 Months
- New Florissant Closed at 270 - Bridge Demo (West Bound) Closure Duration: 1 Weekend
Nov 2022
- Dunn Road Closed between Lynn Haven and 637 Dunn Road Closure Duration: 1 Month
Project team:


This schedule is subject to change.
2020 Detours Schedule
Apr 2020
- I-270 EB off-ramp to Washington/Elizabeth Closure Duration: 1.5 years
June 2020
- I-270 EB on-ramp from New Florissant Closure Duration: 3 months
- Old Halls Ferry over I-270 Closure Duration: 4 months
- NB Lindbergh to WB I-270 loop ramp Closure Duration: 2 years
Aug 2020
- Pershall Road near Coldwater Creek Closure Duration: 18 Months
- Dunn Road at Old Halls Ferry Closure Duration: 1 Month
- Bellefontaine to WB I-270 Ramp Closure Duration: 3 Months
Aug/Sept 2020
- Both Directions I-270 at Washington/Elizabeth Closure Duration: 3 Days
- Washington/Elizabeth over I-270 Closure Duration: 3 Months
Sept 2020
- Pershall Road between New Halls Ferry and Old Halls Ferry Closure Duration: 1 Month
Oct 2020
- Dunn Road Closed at Washington Closure Duration: 1 Month
Nov 2020
- Pershall Road Closed at Elizabeth Closure Duration: 1 Month