Amtrak's Southwest Chief splits the semaphores at the west end of Colmor on its way to Los Angeles.

Tunnel 40—all 63 feet
Amtrak No. 6, the eastbound California Zephyr, curves along the Colorado River through Tunnel 40 in Little Gore Canyon west of Azure, Colorado, on August 21, 201... (more)

October in the Railroad Earth - The Southwest Chief awaits departure on the first day of October, in the Autumn of 2014.

Amtrak's Southwest Chief screams by one of the few active wig-wags in the country on its way to Raton Pass, and today's railfanning objective, the semaphores.

Amtrak California Zephyr #5 rolls along the Carquinez Shoreline near Eckley Pier with P42DC #41 and P40DC #809 in charge.

Amtrak P42 41 leads the Southwest Chief west through Western Springs, kicking up the leaves.

Amtrak's westbound Southwest Chief passes the very photogenic blades at the east end of Watrous siding on its journey to California.

Amtrak's Southwest Chief climbs famous Raton Pass on its way to Los Angeles, seen here about to pass the "flat car bridge" at exit 6 off of I-25.

Amtrak 4, the Southwest Chief, having just topped over the summit at Glorieta, proceeds downgrade on a clear signal at the east siding-switch Glorieta.

Amtrak 4 whips around the curve and through the semaphores at the west siding-switch at Chapelle.

Amtrak train #4, the eastward Southwest Chief, flies by a semaphore indicating a clear track ahead as they speed past the geologic formation that gave the town of Wagon Mound it's name.

Amtrak's Southwest Chief clears the intermediate signal at Bernal on its journey to California.

Amtrak P42DC #41 sits idling on the point of westbound California Zephyr train #5 at the Emeryville Amtrak station. Emeryville is the Zephyr's final station stop before terminating at the Amtrak c... (more)

As another late summer day comes to a close, Amtrak 41 leads 'The Maple Leaf' through CN's Stuart Street yard in Hamilton, Ontario on the final leg of the New York City-Toronto journey.

Amtrak's Lake Shore Limited disturbs the morning peacefulness of the rural countryside of North East PA.