Market Street Railway was the first transit organization in San Francisco to run trackless trolleys, using nine coaches built by Brill in 1935 for the 33 line, numbered 51–59. Each Brill was 33 ft (10 m) long and seated 37; approximately half used traction motors from General Electric (GE) and the other half used Westinghouse (WH) motors.

San Francisco Muni has the largest trolley bus fleet of any transit agency in the United States and Canada. Muni’s trolley coaches (as well as its streetcars and cable cars) are almost entirely pollution-free, since their electric power comes from the city's hydroelectric Hetch Hetchy Water and Power System.

2022年1月27日 · Dayton’s new dual-mode trackless trolleys are capable of operating at 50 mph, both on the wires and off. Take a look at this video, which shows the last trip of the night on Route 7, one of seven trackless trolley lines.

Muni’s goal is to have a completely zero-emission bus fleet (except for its few vintage motor coaches) by 2035. The electric trolley bus (called “trackless trolleys” in some cities) was first demonstrated in 1882 by Ernst Werner Siemens in Berlin.

Trolley coaches are a cross between streetcars and conventional motor buses. That’s why they were called “trackless trolleys” in some places. They run on electricity from double overhead wires, with one wire supplying the 600-volt DC power, the other serving as …

2018年2月24日 · The Chronicle’s Peter Hartlaub, who does some productive digging around in the paper’s archives, has come up with a very good story on the conversion of many San Francisco streetcar lines to trolley coaches in the late 1940s. Above, one of …

2023年11月10日 · Facing financial limitations and pressure from fans of SF’s warhorse trolley buses, the San Francisco Municipal Transportation Agency board agreed Tuesday to alter a plan, adopted in 2018, to replace all buses in the Muni fleet with electric plug-in buses by 2035.

2018年3月24日 · The new Municipal Railway electric "trackless trolley" bus (left) makes its official debut on Market Street in San Francisco on July 5, 1949. Bob Campbell/The Chronicle

Market Street Railway was the first transit organization in San Francisco to run trackless trolleys, using nine coaches built by Brill in 1935 for the 33 line, numbered 51–59. Each Brill was 33 ft (10 m) long and seated 37; approximately half used traction motors from General Electric (GE) and the other half used Westinghouse (WH) motors.

Between 2016 and 2020 the SFMTA will procure 278 New Flyer trolley coaches to replace and expand our all-electric trolley coach fleet. To date, our trolley coaches are the only coaches that can successfully navigate San Francisco’s difficult topography.