San Francisco Zephyr
|Service type||Inter-city rail|
|Locale||Western United States|
|Predecessor||City of San Francisco/Denver Zephyr|
|First service||June 11, 1972|
|Last service||July 15, 1983|
|Distance travelled||2,390 miles (3,850 km)|
|Train number(s)||5, 6|
|Track gauge||4 ft 8 1⁄2 in (1,435 mm)|
The San Francisco Zephyr was the name adopted in June 1972 for the Amtrak passenger train between Chicago, Illinois, and the San Francisco Bay Area in California. Previously Amtrak had called it the City of San Francisco on the tri-weekly run west of Denver Colorado and Denver Zephyr on the daily run between Denver and Chicago. (The refusal of the Denver and Rio Grande Western Railroad to join Amtrak in 1971 had required a routing through Wyoming, avoiding the California Zephyr's traditional run between Denver and Salt Lake City, Utah.) For passengers wanting to use the Rio Grande's service and continue on Amtrak, the timing of the trains was coordinated to facilitate a connection in Ogden (but not Denver) with the D&RGW's Rio Grande Zephyr. The San Francisco Zephyr traveled over rails operated by three different railroads: the Burlington Northern between Chicago and Denver, the Union Pacific between Denver and Ogden, and the Southern Pacific between Odgen and Oakland.
In 1983 the D&RGW chose to join Amtrak, citing increasing losses in passenger operations. Amtrak re-routed the San Francisco Zephyr over the D&RGW's line between Denver and Salt Lake City, Utah, which was its original preference in 1971. The change was scheduled for April 25, but a mudslide at Thistle, Utah, closed the D&RGW's main line and delayed the change until July 16. With the change of route Amtrak renamed the train California Zephyr.
- Amtrak (June 11, 1972). "Nationwide schedules of intercity passenger service". Retrieved September 12, 2010.
- "Scenic route to be taken by Amtrak". Eugene Register-Guard. March 17, 1983. Retrieved September 12, 2010.
- "Last passenger trains rolling across Wyoming". Spokesman-Review. July 13, 1983. Retrieved September 12, 2010.
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