High Speed Railway in California (USA): Fith Part (Ⅴ) HSRL San Francisco-Sacramento (Bay Crossing Alternative)

摘要

This article of the series "California High Speed Railway System"(CHSRS) treats on Line San Francisco-Sacramento "Bay Crossing Alternative" (BCA). This line closes the system of California high speed state railway, and connects with the line Fresno-Sacramento "Stockton Arch Alternative", joining its alignments in the HSR Terminal of Sacramento Roseville. From this station it will be possible, in the future, to extend the Californian railway system till the Nevada railway system, via Tahoe Lake and Reno. The BCA consists of three sections: The first one passing through San Francisco city, goes from HSR San Francisco Airport Terminal Station (where the line Fresno-San Francisco "Golden Gate Alternative" ends), up to the Viaduct access at the Bay Crossing. The second section San Francisco-Richmond, constitutes the star section of the system, with 15,48 Km length on the San Francisco Bay, where 11,28 Km in multi suspension bridge , 800 m span and 67 m gauge under panel, to allow navigation through the Bay. The third section Richmond-Sacramento crosses the San Pablo Bay through another suspension bridge of similar typology to that of San Francisco Bay crossing; pass through Vallejo (the ancient and for a short time Head of the State of California) and through Davis, university city, to arrive to the HSR Terminal Station of Sacramento Roseville.