The Kiamichi Railroad Company (reporting mark KRR) is a Class III short-line railroad headquartered in Hugo, Oklahoma.
KRR operates two lines totaling 231 miles (372 km) which intersect in Hugo, as well as maintaining trackage rights on an additional 45 miles (72 km) of track. The main line (186 miles) runs from Hope, Arkansas (where it interchanges with Union Pacific Railroad) to Lakeside, Oklahoma, then along 20 miles of BNSF Railway trackage rights to a BNSF interchange point at Madill, Oklahoma. Along this line, KRR interchanges with Union Pacific at Durant, Oklahoma, with Kansas City Southern Railway at Ashdown, Arkansas, and with De Queen and Eastern Railroad via Texas, Oklahoma and Eastern Railroad at Valliant, Oklahoma. A 40-mile branch line runs from Antlers, Oklahoma to Paris, Texas.
KRR traffic generally consists of coal, lumber, paper, glass, cement, pulpwood, stone and food products. The KRR hauled around 53,000 carloads in 2008.
The line was a former main line of the Frisco railway; KRR started operations in 1987.
KRR was purchased by RailAmerica, a short-line railroad holding company, in 2002. And in turn, another holding company, Genesee & Wyoming Inc., purchased RailAmerica in late 2012.