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…

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File:2nd Street Tunnel, Hill Street entrance, at dusk.jpg - Wikimedia Commons

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