The ''Caprock Chief'' or ''Caprock Xpress'' was a proposed Amtrak inter-city rail service which would run from Fort Worth, Texas to Denver, Colorado, passing through the Texas Panhandle, which currently does not have passenger rail service of any kind. Initially proposed 2000-2001, the project has not yet seen significant progress and is unlikely to be implemented. "Caprock" is a geological term for a harder or more resistant rock type overlying a weaker or less resistant rock type, and lends its name to the Caprock Escarpment that defines the edge of the high plains of the Llano Estacado.
The train would run west from Fort Worth across northern Texas, then turn north to run through the Texas Panhandle and the western edge of Oklahoma before entering Colorado. It would serve the following communities:
*Texas: Fort Worth, Weatherford, Eastland, Abilene, Sweetwater, Lubbock, Plainview, Amarillo
*Oklahoma: Boise City
*Colorado: La Junta, Pueblo, Colorado Springs, Littleton, and Denver
Both Fort Worth and Denver are served by long-distance trains (the ''Texas Eagle'' and ''California Zephyr'', respectively), but there has not been a direct connection between the two cities since the end of most private passenger transportation in 1971. , any such trip would have to route via either Chicago, Illinois or the West Coast of the United States, a detour of over a thousand miles.
Fort Worth is also served by the ''Heartland Flyer'', which connects it to Oklahoma City, Oklahoma, while La Junta is a stop on the transcontinental ''Southwest Chief''. None of the other proposed station stops have train service. In the past there have been proposals to re-route the existing ''Sunset Limited'' (Los Angeles—Orlando) farther north to serve the Fort Worth—Sweetwater segment.
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