Research conducted by the American Association of State Highway and Transportation Officials, the Michigan Department of Transportation (MDOT), and other organizations have shown that pavement damage is directly related to axle loadings, not gross vehicle weight. DAT also interviewed engineers who believe that Michigan’s heavy trucks impose less damage than the lighter trucks in other states because axle weight determines the damage, not total gross weight. Michigan’s 164,000-pound trucks spread

The SDDOT was recently awarded an American Association of State Highway and Transportation Officials (AASHTO) TransComm Skills Award for External Video Production! The Skills Award contest is considered the premier competition in the transportation industry and the awards have become a standard of public relations excellence among state departments of transportation. You can watch the award winning video about what a career at the SDDOT entails below. Want to be part of the creative team behind