The American Transportation Research Institute (ATRI) is conducting a survey of professional truck drivers to explore the use of navigation systems that use global positioning system (GPS) technology in commercial motor vehicles. This survey seeks to further understand the perceived risks and benefits of using navigation systems, as well as the attitudes of drivers towards this technology. The findings of this survey will be used in research that addresses preferences in methods of providing directions to drivers and investigates the prevalence of use of navigation systems by commercial drivers.