Wanted to follow the meta on this one - I'm intrigued by the idea of using passengers in the future instead of grain/livestock.

My routes were definitely too curvy - screwed me on the last train. Plus my Grain/Livestock car optimization could've been better. Some other minor inefficiencies sprinkled in there, too.

Loan gets paid off at 16:55 in the run, 17:08 in the video.