But it does have advantages over 8 car 319s.
- As Regional Express services will have to provide catering services, dwell times can be reduced by using 8 car 350s as the trolley doesn't have to be constantly moved between trains.
- If passengers board the wrong train, they can move through to the correct portion to alight at Salford Crescent. I was presuming they would do that in good time, with announcements/staff reminding passengers a few minutes before arrival at Salford Crescent, not waiting until Salford Crescent to discover they are on the wrong train.
- Additionally passengers who only just make the train in Manchester can be told to board through the nearest door and walk through to the right section, opposed to either delaying the train by 30 seconds or annoying someone by closing the door seconds before they get to them.
- If the service is a portion working - say it's Manchester Airport to Blackpool and Windermere, with the Blackpool portion the one which opens it's doors at Salford Crescent and a passenger boarding at Salford Crescent wants Windermere, they can moved through to the other train without having to alight and re-board at another station.
- If the train which opens it's doors at Salford Crescent has no working toilet then passengers can walk through to the other train to find one.
I'm not saying 350s are ideal at present but they are less bad for Regional Express services than 319s.
Maybe the gangway problem could be solved if some of the Northern 319s could be swapped for 317s. AGE would probably be quite happy to have 319s if they were cleared for their routes where 4-car trains are the norm.