About 3:21 p.m., central daylight time, on June 12, 2002, eastbound commuter train 1270 operating in the "push" mode collided head on with westbound commuter train 1235 operating in the "pull" mode,1 near milepost 36.7 near Aurora, Illinois. The collision resulted in the derailment of the cab car and four passenger cars of train 1270 and the locomotive and three passenger cars of train 1235. Two crewmembers and 3 passengers on train 1270 and 3 crewmembers and 39 passengers on train 1235 were injured.
The commuter trains were operating on the Aurora Subdivision of the Burlington Northern Santa Fe Railway (BNSF) and were owned by the Northeast Illinois Regional Commuter Railroad Corporation (Metra). Total damages estimated by the railroads exceeded $292,000.