Think LA's relationship with underground rail transit began with the first tunnels blasted out to make way for the Red Line? Think again! LA's first subterranean transit system was a short stretch of tunneling dubbed the "Hollywood Subway," which moved its first passengers under the city in 1925 via electric interurban rail cars. Opening Day in Toluca Yard (end of the Hollywood Subway at 1st and Glendale); original source unkonwn, via California Trolleys The idea......