Roundabout Details
SR 23 / I-90 WB Ramps
- Type
- Roundabout
- Status
- Existing
- Functional Class
- Freeway Ramps (Grade-Separated)
- Lane Type
- Single-Lane
- Control Type
- All-Way Yield
- Previous Control Type
- None (new)
- Other Control Type
- None
- Approaches
- 3
- Driveways
- 0
- Diameter (ICD)
- 45.72 m
- City
- Marengo
- County
- McHenry Co.
- State
- IL
- Country
- United States
- Latitude
- 42.17930
- Longitude
- -88.61798
- Year Completed
- 2020
- Notes
- Yield-controlled right turn bypass lane on east leg off freeway exit ramp. Merging right turn bypass lane on south leg onto freeway entrance ramp.