I never quite understood the whole Tehachapi love fest. Is there something more to it than that big dry desert-like loop thing?
Ignorance, thy name is Dax Omni.
Groundhog Day's (2-2-12) Coast Starlight train 14 made the detour and had, in addition to its Pacific Parlour Car, 1 heritage, 1Horizon, and 3 Amfleet cars tacked onto the end. Looked like Pacific Surfliner's usual 799/798 consist deadheading to points elsewhere.
Video:
Coast Starlight Tehachapi Detour At Acton - Amtrak Coast Starlight train 14 on Groundhog Day (February 2), 2012, goes through a tunnel near Acton, CA on Metrolink's Antelope Valley Line. The train will run out past Palmdale and Lancaster in the high desert, then turn north over the Tehachapi mountains to Bakersfield before running through the Central Valley and on to Oakland in this unusual detour from its usual coast route. In addition to the typical Superliner consist, the train has a single-level consist of heritage, Amfleet, and Horizon cars tacked onto the end.
Bonus Metrolink Video:
Metrolink Antelope Valley Line - Metrolink Antelope Valley Line train 205 running outbound from Los Angeles Union Station to Lancaster on Groundhog Day (February 2), 2012. The tunnel is beside the Santa Clara River near Acton, in the mountains between Santa Clarita and SoCal's high desert.