When a bus operates in revenue service on another line, that line is termed a foreign line. Example: A line 33 bus works seven trips on line 33 then one trip on line 436. The line 436 trip is described as a trip on a Foreign line.
When a bus operates in revenue service on another line, that line is termed a foreign line. Example: A line 33 bus works seven trips on line 33 then one trip on line 436. The line 436 trip is described as a trip on a Foreign line.