Also what sort of Railhead treatment these actually do?
It is on RTT: https://www.realtimetrains.co.uk/train/C00200/2020-02-03/detailedI couldn’t see it on RTT and wondered what working it was.
Too early for weed, not cold enough for ice. Most likely water and sandwater jet, de ice, weed spray - all kinds of things. I cant tell from that picture