Anyone interested in this may also enjoy learning about historical railroad routes: https://news.ycombinator.com/item?id=31017135 https://news.ycombinator.com/

Anyone interested in this may also enjoy learning about historical railroad routes: https://news.ycombinator.com/item?id=31017135 https://news.ycombinator.com/item?id=31017135 I posted a comment in that thread about some old SF Peninsula and South Bay routes, along with the USGS topo map page where you can discover what was in any area of the US at any particular year: https://news.ycombinator.com/item?id=31036776 https://news.ycombinator.com/item?id=31036776 Enjoy!