On Thursday, 16 March 2017 16:55:11 UTC, wrote:
On Thu, 16 Mar 2017 16:23:18 +0000 (GMT), "Dave Plowman (News)"
wrote:

, could in the future a
collection of vehicles such as driverless cars virtually joined
together be classed as a train with vehicles dropping in and out as
required.

Ever been on a train where it drops off a few carriages? ;-)

No I'm too young.

Really this happened to a friend less than a month ago.
On his way back to worhtin gthe train split carriages he forgot that some of his luggege was in the next carriage by the time he realsed the train had split and gone it;s sperate ways.

My Mother remembers going on though and no doubt others of her age
group still do.
Getting in the the wrong section could upset your travel plans .

https://en.wikipedia.org/wiki/Slip_coach

https://www.youtube.com/watch?v=7NEwrjQtrKo

G.Harman