a regular journey of some distance to and from your place of work

exchange positions without a change in value

travel back and forth regularly, as between one's place of work and home

change the order or arrangement of

exchange a penalty for a less severe one

exchange or replace with another, usually of the same kind or category

a passenger train that is ridden primarily by passengers who travel regularly from one place to another

someone who travels regularly from home in a suburb to work in a city

traffic created by people going to or returning from work

a passenger train that is ridden primarily by passengers who travel regularly from one place to another