[1] MNA operates approximately 527 miles (848 km)[1] of trackage in Arkansas, Kansas, and Missouri.

Along this track, MNA serves an ADM Bio-Diesel Plant located to the west of Deerfield, Missouri.

MNA uses its track between Nevada, MO and Clinton, MO to serve a few customers in Clinton and the now shut down Montrose Generating Station, an Evergy coal-fired power plant near La Due, Missouri .

MNA operates unit coal trains to a major power plant in Newark, AR.

Trains operate mostly south into Arkansas but occasionally north to Galena, Missouri, depending on MNA traffic and/or track work.

[3] Unit grain trains sometimes run from the interchange at Pleasant Hill, MO to the Tyson Foods feed mill at Bergman, AR and back empty.

[4] The MNA mainline between Kansas City and Newport originated as the former Missouri Pacific Railroad's White River Line, which was initially chartered in 1883 and was part of the MoPac's mainline between Kansas City and Memphis, Tennessee.

[6] When Railtex took over operations on the White River Line, they used a handful of older-generation Electro-Motive products including several GP40s, GP35s, GP38s, road slugs, SD40s, and a GP20.