N Forty Dr. / I-64-US 40 WB Ramps
- Type
- Roundabout
- Status
- Existing
- Functional Class
- Freeway Ramps (Grade-Separated)
- Lane Type
- Single-Lane
- Control Type
- All-Way Yield
- Previous Control Type
- One/Two-Way Stop
- Other Control Type
- Unknown
- Approaches
- 3
- Driveways
- 0
- Diameter (ICD)
- 50.38 m
- City
- St Louis
- County
- St. Louis Co.
- State
- MO
- Country
- United States
- Latitude
- 38.63631
- Longitude
- -90.41822
- Year Completed
- 2009
- Notes