1. Noun, Suru verb, Intransitive verb

   1.

   running (of a car, bus, etc.); traveling; travelling

2. 2.

   running (of a program)

Example sentences

• 走行中の箱乗りはご遠慮下さい！

  Please don't lean out of the window when we're moving.

• 二輪車が倒れずに走行するのには前輪が大きな役割を演じています。

  The front wheel plays an important role in two-wheeled vehicles moving without falling over.