Network Rail Test Train - 2022.12.22

[SarahSanderson]

I am not very au fait with Network Rail Test Trains as I see so few of them.

2022.12.22 - KDY - 1Q26 1345 Edinburgh to Edinburgh was hauled by two Colas 37's today, 099 on the front and 175 on the back.

Can anyone advise me what this train is and what is it actually measuring?

Link to original image of 099 is at link below - couldn't capture 175 as the autofocus refused to find a target through the fog of exhaust!

2022.12.22 - KDY - 1Q26 1345 Edinburgh to Edinburgh

Colas Class 37's top and tail Network Rail Test Train 1Q26 Edinburgh Waverley to Edinburgh Waverley via Dundee, Perth and Aberdeen. On the front is 37099 and 37175 brings up the rear. I couldn't get a decent shot of 175 as the autofocus refused could not find its target, presumably due to the...

www.flickr.com

 

[station_road]

There is a description of the various NR test trains and what they do on the Rail Record website

https://www.rail-record.co.uk/guide-to-network-rail-test-trains/

That is the Plain Line Pattern Recognition train, that checks rail conditions