Roundabout Details
SR 523 (NE 145th St.) / I-5 SB Ramps
- Type
- Roundabout
- Status
- Existing
- Functional Class
- Freeway Ramps (Grade-Separated)
- Lane Type
- Multilane (2 Lane, 2x1 max)
- Control Type
- All-Way Yield
- Previous Control Type
- Signal
- Other Control Type
- Unknown
- Approaches
- 3
- Driveways
- 0
- Diameter (ICD)
- 41.15 m
- City
- Seattle
- County
- King Co.
- State
- WA
- Country
- United States
- Latitude
- 47.73411
- Longitude
- -122.32590
- Year Completed
- 2025
- Notes
- Yield-controlled right-turn bypass lane on north leg. On the border between Shoreline and Seattle. https://engage.shorelinewa.gov/145corridor