COMMERCIAL VEHICLE TURNTABLES. Small spaces? Restricted access? High delivery volumes? Macton vehicle turntables turn logistics and traffic nightmares into safe, efficient solutions for maneuvering in restrictive spaces. A Macton vehicle turntable can be installed in a building on grade, or between levels of a. Heavy Duty Turntable by Carousel-USA. The leading manufacturer of Large Truck Turntable, Vehicle Turntables for residential, commercial, and industrial use. High quality engineering, fabricating, and installation. Affected Environment and Environmental Consequences Traffic Currently, the ITurntable Bay Road interchange does not serve as a destination for commercial traffic; however, it does provide a convenient location for temporary stops. The level of commercial and service-related traffic described in Table 4.