Roundabout Details
SR 279 (Lincoln Rd. E) / I-15 NB 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)
- 32.00 m
- City
- Helena
- County
- Lewis and Clark Co.
- State
- MT
- Country
- United States
- Latitude
- 46.70444
- Longitude
- -112.01118
- Year Completed
- 2022
- Notes
- Raindrop shaped. Right-turn-only lane on south leg. Year Completed estimated (2021-2024).