中央線
ちゅ
う
お
う
せ
ん
Meanings
1
Refers to the painted line dividing a road into lanes. Often used in traffic contexts.
You must not drive over the center line.
2
Chūō Line (Tokyo railway)
Proper noun referring to the JR East Chūō Line, a major commuter and long-distance railway line in Tokyo.
I go to Shinjuku on the Chūō Line.