Among the Dow transports, Roadway Services rose 2, to 52 1/4, although the company said it did not know why.

Roadway Services rose 1, to 48 1/2.

Roadway Services yesterday dropped 1/4, to 43 1/4, and TNT Freightways fell 7/8, to 18 3/4.

Roadway Services, a large trucking concern, rose 2, to 50.

Roadway Services' stock is traded over-the-counter on Nasdaq.

In 1997, Reimer was acquired by Roadway Services from the United States and changed its name to Reimer Express.

Roadway Services and the Xtra Corporation, both involved in trucking, each advanced 1 1/2.

The Roadway Services holding company became Caliber Systems in 1996.

In addition, Roadway Services had been reformed as a new holding company called Caliber System, Inc.

Roadway Services, the trucker, jumped 3, to 51 1/2, in heavy trading after reporting a 12.7 percent rise in first-quarter earnings.