Name: Somerset County Traction System, Easton & Amboy RR, and Harter Felsen Quarry Co.
Scale: O (1:48) and On21/2
Size: 32 x 40 feet with 10 x 20 foot extension in crawl space
Prototype: freelance
Locale: north central New Jersey
Period: September 1957
Style: walkaround
Mainline run: 350 feet (SCTS), 225 feet (E&A), and 35 feet (Harter Felsen Quarry Co.)
Minimum radius: 36″ (SCTS), 60″ (E&A), and 32″ (Harter Felsen Quarry Co.)
Minimum turnout: handlaid no. 5 (SCTS), handlaid no. 6 (E&A), commercial no. 5 (Harter Felsen Quarry Co.)
Maximum grade: 2.5 percent (SCTS main), 6 percent (Warrenville switchback)
Originally appeared in Great Model Railroads 2009.