There are 5 different regions, their names and order can be seen in the image above. Each religion of track have three tracks (North, Center, and South), except for a small region by the pillar in between Skillman and Farinon. Additionally, all regions except Sullivan have a number of switches to allow trains to change tracks. A train can go in one of two directions, either Eastbound (toward 3rd street) or Westbound (toward Metzgar).

There are a total of 7 terminations of the tracks:
3rd Street Arts has 3: North, Center and South
Skillman has 1: Pillar
Metzgar has 3: North, Center and South

A detailed view of the entire layout can be found here.