 Old Dominion Freight Line Inc. has begun a trial program in which it offers one all-in rate to LTL shippers before their freight is picked up, a step the carrier said represents a major advancement in the backwater processes of costing, pricing and paying for LTL transportation. Old Dominion NASDAQ: ODFL is testing the program, called One Rate, One Time, with one of its third-party logistics provider customers, Todd Polen, the companys vice president of pricing services, said in an interview with FreightWaves on Friday. 