Between 1903 and 1909, the trolley expanded into the area east of Balboa Park. Thirtieth Street became the route, and a bridge was built to extend the street across Switzer Canyon, from Laurel to Olive.
November 16, 2000
Posted November 9, 2000
Between 1903 and 1909, the trolley expanded into the area east of Balboa Park. Thirtieth Street became the route, and a bridge was built to extend the street across Switzer Canyon, from Laurel to Olive.