The bottom-contact pickup shoe on a third-generation Docklands Light Railway train takes power from the 750v DC third rail.

Photo by Chris McKenna 10/12/2005.
Larger, higher quality copies of most of my pictures are available, please email if you want a copy. If you wish to use this, or any other of my photographs, under a different license see my relicensing policy. #cmckenna@sucs.org.