Name: City Edge
Scale: HO (1:87)
Size: 24 x 40 feet
Theme: fictional urban railroad based on locations in Chicago and St. Louis
Era: 1950 to present day
Style: around the walls
Mainline run: 110 feet
Minimum radius: 38″ on the main line and 22″ in the warehouse district
Minimum turnout: no. 6
Maximum grade: 3 percent