On 6 Dec, 17:49, MIG wrote:
If you know that your train to Potters Bar is the 1406 to Cambridge,
you might well ignore the departure to Foxton (which no one has heard
of) shown on the display at Kings Cross.

Conversely if you get on the train to "Foxton" and the driver
announces on the PA that it's the train to Cambridge, it might take a
moment or two wondering what's going on.

(which has happened to me)

U