noun
connection ticket; interline ticket
A ticket that allows a passenger to transfer between different transportation services or lines, often used in rail or bus travel.
連絡切符を買えば、新幹線から在来線に乗り換えられます。
If you buy a connection ticket, you can transfer from the Shinkansen to a conventional line.
Compound of 連絡 (connection) and 切符 (ticket). The exact historical derivation is uncertain, but the term is conventionally associated with railway and bus transfer tickets.