I will use the SEN - CAX route for as long as it lasts but only with hand baggage lol, I have family in Cumbria it will be much easier for me than car or train
But price will need to be right the train has become very over priced
I think you will be surprised how many people will use the route from where my family live you have the choice of GLA NCL and MAN All a very long distance to what I'm use to down south.