[2] As a result, like metros, light rails, and trams, it was not controlled by the Federal Railroad Administration.
The line was electrified by means of 50,000 V, 60 Hz, overhead catenary with electricity supplied by the Navajo Tribal Utility Authority.
[2] In 1999, some 1982/83 built E60C-2s were purchased from Ferrocarriles Nacionales de México and overhauled including conversion from 25 kV.
[4] Forty new aluminum coal hoppers were purchased from FreightCar America to replace some of the aging fleet of 30 year-old FMC and Ortner hoppers.[when?]
[3] The electrical components of the railway were dismantled between winter 2019 and fall 2020, but the tracks have remained in place to be evaluated for future use.