Gates automatically lower as a train approaches. 9" straight E-Z Track with nickel silver rail. For use with Bachmann s HO Scale E-Z Track and most other brands. It can also be used with On30 scale trains. Realistic, non-operating railroad crossing lights. Molded and decorated road crossing base. Length: 9" (234mm). Width: 5-5/8" (145mm). Height: 5-3/8" (139mm).