I'm about to start researching Railways during WW2, in particular the branch lines. I wondered if anyone could point me in the direction of a website/books etc that would enable me to find out which were the busiest branch lines in the country at that time. Including what they carried, such as ammunitions and troops, and just how important these branch's were to the war effort. I would dearly love to get my hands on several time tables and/or goods logs too. I would be grateful for any information. Many thanks.