Muni Heritage Weekend Brings History Alive By Jeremy Menzies Take a ride back in time and explore transit history at Muni Heritage Weekend this Saturday and Sunday, September 23-24 from 10 a.m. to 4 p.m. This years’ festivities combine free rides on heritage buses and streetcars, with special cable car service and activities to celebrate the 150th Anniversary of the cable cars . The action will come together in the plaza across from the San Francisco Railway Museum on Steuart Street between Market and Mission Streets. Vintage Bus Rides Pulling out for the weekend will be several vintage trolleys and motor buses that will run on two new, never-before offered excursion loops. Trolley coach buffs will get a chance to ride on three different buses running a special Cable Car 150th Anniversary commemoration route over Nob Hill. This route follows in the footsteps of San Francisco’s very first cable car line from 1873. Four motor buses from 20 to 85 years old will drive along the