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Train 508 (Extra 1572 West) is climbing the last mile to the summit at Riordan on February 21, 1988. It was rare to see SD39s west of Albuquerque. These units were generally on trains operating over Raton Pass. Train 508 had a wide load and in order to give the required clearance, it went into the siding at Railhead. It pulled a knuckle doing a backup move at Railhead after meeting train VLAKC.
As you can see, the next exit (190) off the freeway is A-1 Mountain Road. This exit puts you on the north side of Riordan. However, there is a locked gate at the fence. Disk 70