There will be no opportunity to travel by rail for pleasure in 40 years time; H&S will see to that.
Virtual reality will be the only way to recreate the nostalgic feeling and with advances in technology you'll be able to recreate every bump, every lurch, every whiff of steam or smut in the eye of every train train journey ever made from Stockton to Darlington to HS2.5.
Me, I'll be sat in my i-ride deluxe experience chair enjoying my first class compo and class 47 on load 15 up the Highland mainline to Inverness, looking forward to the return journey when I fold my i-ride deluxe experience chair flat to re-create a BFK on the internal overnight to Edinburgh with a pair of class 26's (door closed, curtains drawn, bulbs out, window open)