Signalling film
Posted: Sun Dec 01, 2013 12:40 am
Worth a look as it mentions and explains several well known crashes some connected with this site others off topic but well known. Abbots Ripton and Hull being well explained and a good piece on Quintinshill.
http://www.youtube.com/watch?v=SxpBzGCKA0w
http://www.youtube.com/watch?v=SxpBzGCKA0w