(しゃせん)

しゃせん
noun
traffic lane; lane (on a road)
1. traffic lane; lane on a road
A marked division of a road for a single line of traffic. Used when talking about highways, multi-lane roads, and driving.
(みぎ)車線(しゃせん)(うつ)った。
I moved to the right lane.
この道路(どうろ)片側(かたがわ)(さん)車線(しゃせん)ある。
This road has three lanes on each side.
工事(こうじ)のため(いち)車線(しゃせん)規制(きせい)されている。
One lane is restricted due to construction.

車線(しゃせん) refers to a marked lane on a road for a single line of traffic. Composed of (しゃ) (vehicle) + (せん) (line).

COUNTING:

Used as a counter-like word to describe the number of lanes:

  • ()車線(しゃせん) (two lanes)
  • (さん)車線(しゃせん) (three lanes)
  • 片側(かたがわ)()車線(しゃせん) (two lanes on each side)

COMMON COLLOCATIONS:

  • 車線(しゃせん)変更(へんこう): lane change
  • ()()車線(しゃせん): passing lane (right lane in Japan)
  • 走行(そうこう)車線(しゃせん): driving lane (left lane in Japan)
  • 車線(しゃせん)規制(きせい): lane restriction

NOTE:
Homophone: 斜線(しゃせん) (diagonal line) uses different kanji and has a completely different meaning.