Trains at Welwyn North 21/01/17

[@thomasnorton2679]

simply sublime film mate, lots of variety and such a picturesque station, huge like from me, keep it up

[@keithturner777]

Great video as always David :)

[@nathansrailwayphotography8125]

Great video

[@Trainspotter11_]

Fantastic Video Their Mate :)

[@kingofthemonsters3712]

which mainline was it?

[@GDEwan]

Nathan Brown the ECML

[@adamhiley2308]

RIP HST

[@pgchase4578043026]

What is the meaning when the signals flash on and off?

[@bw_digitalphotography]

flashing signals usually mean that there is a warning for a speed limit change ahead

[@Jeagles]

In this case the flashing is for a set of points indicating that the train should be wary of the speed restriction and points