You are in the CarrTracks website Picture Gallery.
The lead locomotive on Extra 5507 East has just come through Tunnel 9 and will continue curving to its left. This is the longest Santa Fe train I've ever seen go over Tehachapi. It has about 160 cars.
The engineer is getting some idea how long this train really is as the engines encircle the Loop. The caboose is still over by the freeway and hasn't even crossed Caliente Creek yet.
Here you can see most of the train stretched out around the Loop. Even with my zoom lens widened to 39mm, it was not quite wide enough to take in the whole Loop. Cars continue to roll out of the tunnel.
Finally the caboose is out of Tunnel 9 and we are about to see the secret for getting this long train up the hill.
Most eastbound Santa Fe trains make do with two or three units in a helper set. The SP sometimes has up to six units in a set. This was the only time I saw 10 units in a helper set.