 Holman also constructed heavy interurban coaches and combines (combined passenger and freight-express cars) that ran on inland California electric railroads including Petaluma and Santa Rosa Railroad, Sacramento Northern Railway, and Central California Traction Company, as well as the Sierra Railroad, a Common Carrier line which operated out of Jamestown, California.Holman declared bankruptcy in 1914.Some classic Holman cars are in the possession of the Western Railway Museum at Rio Vista, California.