On Monday, 19 August 2019 18:15:09 UTC+1, Jim GM4DHJ ... wrote:
does anybody think that you should slow down on the inside lane of the
motorway before joining the off ramp?....if you do you are most
annoying....you should only slow down in the deceleration slip lane and not
before....

It rather depends on what the traffic ahead is doing. Although these days I rarely need to drive in a motorway, when I do, I often see traffic stationary (or very slow) even on the carriageway simply because the junction is clogged up. 'twould be folly not to slow down...