From the publisher:
It's time to ride the rails! Whether you're hopping aboard the Iron Scar Express or you're a marshal for the Republic Transit Authority, all lines lead to adventure. The pdf includes complete descriptions of the major train lines, the engines and cars that roll across Dawnhome, and the people that keep them running, including 10 train lines, 4 stations, 12 engine and car types, a new ultralight aircraft, 4 train-mounted weapons, and an NPC. As with every issue of TERRAFORMER, the material is usable in most any sci-fi campaign.