A photographic technique that I have rarely employed, but which can be very effective in conveying speed is panning. By using a slow shutter speed and following the train in the viewfinder the result is a pin sharp train against a blurred background. This doesn't tend to work that well with slab fronted diesel locos, but HSTs with their streamlined front ends look very effective. Also, choice of location is important, with an uninterrupted foreground and a plain background preferable. 43023 County of Cornwall speeds past South Stoke with the 18:45 Paddington to Bristol Temple Meads service on 10 July 1990.