Rail Baron is a board game by Avalon Hill that I discovered back in 2011. My father-in-law introduced me to Rail Baron and I was hooked! I enjoyed the game so much, but there was the annoying issue with using various charts in the rulebook to play the game. I decided to make a simple webpage in PHP and MySQL to make the game easier to play.
I’ve since moved onto more complicated board games, but I continue to host the Rail Baron Companion for those few who still use it.
One handy piece of the companion is the ability to view your route by selecting check boxes next to the various railroads.