It was merged into a sister railroad company, the Central Kansas Railway, in 2000. The Central Kansas Railway was later sold to Watco Companies and became the Kansas and Oklahoma Railroad. KSW had a small roster of former Grand Trunk Western Railroad GM-Electromotive Division GP9s, 4544, 4557, 4912 and 4916.
The merger of KSW into a sister railroad company, the Central Kansas Railway, occurred in 2000. The Central Kansas Railway was subsequently sold to Watco Companies and became the Kansas and Oklahoma Railroad. KSW had a small fleet of former Grand Trunk Western Railroad GM-Electromotive Division GP9 locomotives, 4544, 4557, 4912, and 4916.