The red markets of Amtrak's eastbound Southwest Chief train No. 4 illuminate Santa Fe's ancient wig-wag signal at Delhi, Colo., on the Raton Subdivision. For decades, this unique signal war... (more)

Amtrak 3, the Southwest Chief heads west through Delhi Colorado passing by the last wig-wag in mainline service.

One of the last wig wag protected crossings on a Class 1 catches the last rays of light while waiting on Amtrak's Southwest Chief to make its daily visit.

One of the last active wig wags on a Class 1 catches the last rays of light after another day of duty. What a neat piece of "living" history!

The westbound Southwest Chief streaks through the quiet countryside of Colorado, with one of the last active wig wag on a Class 1 protecting the crossing. What a neat piece of "living" history!

Featured here, we capture a glimpse of what is a daily occurrence. Running as advertised, Amtrak's Southwest Chief makes it's way past the last remaining operational Wig-Wag Signal on BNSF's natio... (more)

Highlighted here, we see a close up view of the last remaining operational Wig-Wag signal on BNSF's system. Located in Delhi, CO this signal continues to withstand the test of time, as it sees onl... (more)

The milky way rests above the skies of Delhi, Colorado as the historic mainline wig wag stands dormant over the southern Colorado grasslands. It has been recently rumored that this historic piece... (more)

The last mainline operational Wig Wag on the BNSF system and potentially the western US does its thing as Amtrak's Southwest Chief blasts by westbound. It has been rumored it the signal is endange... (more)

In what is the middle of nowhere, we see the last remaining operational Wig-Wag signal on BNSF's system. Located between La Junta and Trinidad, CO this signal only sees Amtrak's Southwest Chiefs a... (more)

Amtrak's Southwest Chief passes the last remaining mainline wig-wag in the country.

Twice per day, the magnetic flagman manufactured by Griswold wigs and wags back and forth for the passing of Amtrak's Southwest Chief. This grade crossing signal is the last of its kind al... (more)

Here we see a shot that I've wanted to capture for quite some time, and today I was finally able to achieve it. It's a brisk 9°F on this crisp mid-Winter morning in Southern Colorado, and the fre... (more)

Amtrak's Southwest Chief glides across the Colorado grasslands, which have recently been converted into a sea of snow, and through one of the only crossings on the BNSF system that still utilizes ... (more)

A desert oddity -- a lone wigwag guards a dirt grade crossing in the ghost town of Delhi, Colo. The wigwag is fully functional and well-maintained; it must be a "pet project" of a signal... (more)