Minnesota Department of Transportation
To inform possible enhancements to its own product approval process, MnDOT is seeking information regarding the specific policies, processes and requirements that govern other states' product approval programs. This effort will also provide input into the internal review being conducted by MnDOT's Office of Materials and Road Research. To gather this information, researchers surveyed departments of transportation from all 50 states and the District of Columbia about their approval policies and practices.
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