noun, の adjective
At each station someone keeps halting the car . What is this, a local train?! Yes, yes it is. You’re on a local train. People use it when they get on (or off) at the smaller stations.
If you’re not used to train travel, just remember that a "local train" is one that stops at every station on a line.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
The local train has just passed through a tunnel.