'Sun kinks' from sudden rise in temps caused May train derailment near White Lake

'Sun kinks' from sudden rise in temps caused May train derailment near White Lake

MITCHELL — The derailment of a grain train in Aurora County earlier this year was caused by a phenomenon called a thermal misalignment, a Ringneck and Western Railroad official said Wednesday. Ringneck and Western general manager Chadd Thimesch told the Mitchell Rapid City Regional Railroad Authority board that the May 9 train derailment was caused by rail lines buckling under the sudden change in temperature. The derailment occurred near White …