The Louden Monorail System in the Auto Repair Shop, also known as McGuire Motor Company and Crandall's Electric Service, is a historic structure located in Fairfield, Iowa, United States. The monorail system is located in a former auto repair shop along an alley between East Broadway Avenue and East Briggs Avenue. It is the rear, single-story, portion of the building at 117 E. Broadway Ave where the system is located. The storefront portion of the building, also historically associated with the automobile industry, is a two-story brick building built on a stone foundation. The east side of the central business district in Fairfield had become the center for automobile related businesses by the 1920s. Harley Carter bought this building in 1920, and had the monorail system, manufactured by t