When Tom Barnaby first visits Jenny, it is beside the filming location of "Pie in the Sky".
The Ghost Train on which Dalgleish is murdered is an actual ghost train ride located on Brighton Pier Brighton on the south coast of the UK.
After 23 minutes 30 seconds we see the coach stop at a little chef restaurant, a popular chain on motorway services and major roads for many years but finally closed its last branch due to expanding too quickly in January 2018.