 Cars 3140 and 3120 also suffered broken couplers during the collision as well.Cars 3008, 3009, 3120, 3121, 3206, and 3207 were damaged beyond repair.Beginning in 2005, a number of 3000-series cars that had not yet undergone rehabilitation were modified as part of a pilot program to study passenger movements to improve the seating arrangement for future rail cars.