Hollywood Subway
From GURPSworld Wiki
The Hollywood-Glendale-Valley Subway extends from the westerly line of Hill Street in a northwesterly direction approximately parallel with Fourth Street, under and across Olive, Grand, Hope, Flower, and Figueroa, thence on a five-degree curve about 900' in length to the north, under and across Fremont and Beaudry Avenues and the intersection of Fourth and Boylston Streets, thence on a tangent in a northerly direction under and across Crown Hill Avenue, Third Street, Sapphire, Bixel, and Emerald Streets, and to the intersection of First Street and & Glendale Boulevard (EHRA).
See also
Tunnel Workers Reported Missing