At 3:05P.M.PDT,October 22, 2006, a coupler failure on UP5009east on the Bryn-Mawr cutoff of the California Southern Rwy resulted in a 19 car runaway. 10 cars from the runaway and 2 parked boxcars derailed along with the annihilation of a 40' semi-trailer torn from its tractor. There were no reported injuries. A 200t Brownhoist crane borrowed from Montana Rail Link was dispatched from Norwalk and had the main lines clear by early evening.