I can understand why in the mainland UK it would be more of a worry as in Northern Ireland weve very little motorways with most only being 2 lanes.

Personally i think no its not a good idea, it will cause accidents not the learner themselves but from people who get annoyed behind them as they pull on the motorway or generally coming behind them, having to slow down and then try and over take into the middle lane which always seems to be bunged up.

Then you get into a section of road where all the traffic is in the outside two lanes and no one except the learner on the inside lane, causing more potentual for accidents.

__________________
Plough on