Arizona Highway & Maintenance Department

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The Arizona Department of Transportation works for providing a range of transportation services to the residents and visitors of Arizona. The department maintains various transportation facilities, as well as offers customer care and congestion management services. It ensures that contractors working on federal-aided highway construction projects have trained work forces. The department also conducts classes in welding, carpentry, electrical work, and the use and care of tools. It operates aviation, highway and motor vehicle divisions. Its multimodal planning division offers a variety of transportation research and planning programs. In addition, it maintains a research center and library. The Arizona Department of Transportation maintains a location in Tucson, Ariz.