joint carriage; through-ticketing
Transportation of passengers or freight involving multiple companies under a single arrangement, common in railway and logistics contexts.
With a through-ticketing ticket, the transfer from JR to the private railway was smooth.
直通運転 refers to through-service where a train physically runs onto another company's tracks, while 連絡運輸 focuses on the ticketing and carriage arrangement across companies.
Compound of 連絡 (connection, liaison) and 運輸 (transportation).