本線
Meanings
1
main line; trunk line
Refers to the primary route in a railway, road, or utility network, as opposed to branch lines or local lines.
This train is running on the main line.
The water main is under construction.
Usage patterns
- 〈場所〉から本線に合流するto merge onto the main line from (a place)
I merged onto the main line from the highway ramp.
- 本線を走るto run/travel on the main line
This train runs on the main line.
- 本線から分岐するto branch off from the main line
This branch line splits off from the main line.