Columbus,IND,USA -Truck News (CAN) -Apr 29, 2011: -- The trailer market shows no signs of cooling off, with net orders surging 21% from February levels in March, according to the most recent State of the Industry: US Trailers report published by ACT Research... Shipments were up 33% in March, with shipments for the first quarter up 109% compared to Q1 2010... All trailer segments tracked by ACT were up over last year, but the dry van segment continues to lead the charge, with shipments up 198% year-to-date...