The Hill Street Tunnels, looking north on Hill Street from First

1954-2014 Like many of the city's early public works projects, the Hill Street Tunnels provided a solution to one of Los Angeles' greatest topographic obstacles to regional mobility, the hills at Downtown's northwestern edge. While of most of them had been covered by the street grid by the turn of the 20th century, their steep…

1st Street Tunnel — Calisphere

Hundred Year Old Steam Tunnels Under Capitol Hill — Architect of the Capital

street widening urban diachrony

PE 's Hill Street Tunnel #2 - 1952: Oblivion awaits - Pacific Electric Railway Historical Society

Inside L.A.'s Dark Network of Deserted Underground Tunnels - LAmag - Culture, Food, Fashion, News & Los Angeles

Dolores drive-up restaurant on Wilshire Blvd at the East end of Beverly Hills. late 50s Ph…

1908 downtown los angeles map showing electrified and non electric rail lines

Map of the Lost Lizard City under Los Angeles - Big Think

4th and hill looking west 1939 Los angeles history, Bunker hill los angeles, Fremont hotel

Hill Street Tunnel demolition. - Photographs - Huntington Digital Library

CHURCH HILL TUNNEL - 420 N 18th St, Richmond, Virginia - Landmarks & Historical Buildings - Yelp

11 Rivers Forced Underground