The backlog of freight cars grew by about 75% in 2014, according to fourth-quarter reporting statistics compiled by the Railway Supply Institute American Railway Car Institute (ARCI) Committee. As of Dec. 31, 2014, the backlog stood at 142,837 units, compared to 81,927 units at the end of 2014’s first quarter.

Freight car orders in 2014’s first quarter soared about 38% from fourth-quarter 2013, to 24,050 units, pushing builder backlogs up around 12% to 81,927, according to the most recent Railway Supply Institute American Railway Car Institute figures.