| 21 Hayes | ||||
|---|---|---|---|---|
 | ||||
 21 trolleybus at Ferry Plaza, July 2019 | ||||
| Overview | ||||
| System | Muni trolleybus network | |||
| Operator | San Francisco Municipal Railway | |||
| Vehicle | New Flyer XDE40 | |||
| Began service | 1860 | |||
| Route | ||||
| Locale | San Francisco, California | |||
| Start | Fulton and Stanyan Fulton and 8th Avenue (nights and weekends) | |||
| Via | Hayes Street | |||
| End | Hyde and Grove | |||
| Length | 3.2 mi (5.1 km) | |||
| Service | ||||
| Level | Daily | |||
| Daily ridership | 6,600 (2019)[1] | |||
| Map | 21 Hayes Map | |||
| ||||
21 Hayes is a trolleybus line operated by the San Francisco Municipal Railway (Muni). It connects the Civic Center to the neighborhoods northeast of Golden Gate Park in San Francisco.
- ^ "Short Range Transit Plan" (PDF). San Francisco Municipal Transportation Agency. December 3, 2019. Archived (PDF) from the original on June 5, 2020. Retrieved December 27, 2021.