On Monday, 13 January 2020 16:15:07 UTC, NY wrote:

However it's not all courtesy and good manners. Look at
https://youtu.be/YIgskqk5PB4?t=70, in which he's following another car that
overtaking in Lane 2 of the M4 (when it only had 2 lanes!).

The M4 still only has two lanes.

Well, the bit I was on the other day. :-)