One done by me a while back and promptly forgotten until now. Footage, London Victoria into Battersea Stewarts Lane, back out onto the Battersea Reversible, then a quick change ends and off to Pouparts Junction via Longhedge.
Often travel with the Freight Guys in there 66 and you see parts of the network and wonder where it goes and now I know so Thanks for producing a very interesting video
The rate of inclination is expressed as a ratio, e.g. "1 in 200" (or "1:200"). For example, "1 in 500" means that the track rises (or drops) one unit for every 500 units travelled horizontally. Note that a smaller number in the second part of the ratio indicates a steeper gradient. Source: www.railsigns.uk/sect24page1/sect24page1.html
Freight trains do use this route into London Concrete sidings there and run round train in Battersea yard(sidings on left of video when climbing the bank back up to Victoria).