Roundabout Details
Hwy DD / Dalriada Blvd.
- Type
- Roundabout
- Status
- Existing
- Functional Class
- Other (At-Grade)
- Lane Type
- Single-Lane
- Control Type
- All-Way Yield
- Previous Control Type
- One/Two-Way Yield
- Other Control Type
- None
- Approaches
- 4
- Driveways
- 0
- Diameter (ICD)
- 50.29 m
- City
- O'Fallon
- County
- St. Charles Co.
- State
- MO
- Country
- United States
- Latitude
- 38.74631
- Longitude
- -90.75882
- Year Completed
- 2022
- Notes
- Right-turn-only lanes on southwest and northeast legs. Appears to be convertible to 2x1. https://www.sccmo.org/DocumentCenter/View/18378/OF_HIGHWAY-DD