and k, l and m lines that span out from westportal. in 1928, the j line opened heading west to the beach. in 1944 san francisco voters finally approved muni take-over of the market street railway. by then motor bus and trolley bus improvement had given them the ability to conquer san francisco's hills. after the war most of the street-car lines would be replaced with motor or trolley bus service. in 1947, the mayor recommended replacing two lines with motor coaches. and it appeared that san francisco's iconic cable cars had seen their final days. entered mrs. cluskin, the leader to save the cable cars. arguing that the cable cars were a symbol of the city, and she