[Cecily]

In that case, you are supposed to move to the right when a faster moving car is coming up behind you so they can pass.

[JimRed]

In that case, you are supposed to move to the right when a faster moving car is coming up behind you so they can pass.

Key words: IF IT IS SAFE TO DO SO. Don't take risks for some moron speeder.

[Woodman]

Which lane should I drive in when there are 15 lanes of traffic?
https://en.m.wikipedia.org/wiki/File:Driscoll-Viesser-Edison_Bridges_-_August_30,_2020.jpg