 The western portal of the Sunset Tunnel | |
| Overview | |
|---|---|
| Line | |
| Location | San Francisco, California |
| Coordinates | East portal: 37°46′09″N 122°26′04″W / 37.76917°N 122.43444°W West portal: 37°45′59″N 122°26′55″W / 37.76639°N 122.44861°W |
| System | Muni Metro |
| Crosses | Buena Vista Park and nearby areas between Duboce Park and Richard Gamble Memorial Park |
| Start | Duboce Ave & Noe St (Duboce Park) |
| End | Carl St & Cole St (Richard Gamble Memorial Park) |
| No. of stations | None |
| Operation | |
| Opened | October 21, 1928 |
| Owner | San Francisco Municipal Transportation Agency |
| Operator | San Francisco Municipal Railway |
| Character | Tunnel for light rail/streetcar line |
| Technical | |
| Line length | 4,232 ft (1,290 m; 0.8015 mi) |
| No. of tracks | 2 |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
| Electrified | Overhead line, 600 V DC |
| Tunnel clearance | 23 ft (7.0 m)[1] |
The Sunset Tunnel, originally known as the Duboce Tunnel, is a 4,232 ft (1,290 m)-long[1] light rail/streetcar tunnel in San Francisco, California. The tunnel runs under the steep hill adjacent to Buena Vista Park and is used exclusively by the N Judah Muni Metro line.
The eastern entrance is located at Duboce and Noe streets on the south side of Duboce Park in the Duboce Triangle neighborhood, and the western portal is located in Richard Gamble Memorial Park near the intersection of Carl and Cole streets in the Cole Valley neighborhood.