Castor Line

Castor Line (, Kasushīru-eki Hōmen) is a train line that runs in Yorknew City.

Overview
The Castor Line is a train line that runs through Yorknew City and one of its destinations leads to downtown Yorknew City.

Yorknew City arc
Half of the Phantom Troupe members take this train line to Lipa Station, while unbeknownst to them they're also being tailed by Killua and Melody in separate train cars.