It took me two days to finally see a train on the Tehachapi Loop, the 3,799-foot-long rail spiral in Southern California that first allowed passenger trains to journey from the Bay Area to Los Angeles ...

Two trains on the Tehachapi Loop at the same time. The one in the foreground, which is going down the loop, will slow to a halt to let the train coming up the loop pass it. (Rebekah Kearn/Courthouse ...