INFERENCES FROM CROSS-LISTED FINANCIAL FIRMS *

PCT No. PCT/JP88/00994 Sec. 371 Date May 29, 1990 Sec. 102(e) Date May 29, 1990 PCT Filed Sep. 29, 1988 PCT Pub. No. WO89/03077 PCT Pub. Date Apr. 6, 1989.An automatic travelling system for use in combination with a construction vehicle is disclosed. The automatic travelling system for use with a construction vehicle comprises a plurality of guide lines serving as a main traveling path device for a vehicle and disposed on a traveling road surface for the vehicle. The guide lines are disposed between a raw material site and raw material depots of a plant. A plurality of detectors on the vehicle detect the guide lines so as to facilitate steering of the vehicle.