Search LRRB and MnDOT research projects ui-button Enter text to search for research topics, report numbers, and researcher names. Boolean operators (And, Or, Not) can be used to further refine your search. Search for:Category:All available categoriesAdministrativeBridge and StructuresDedicated ProgramsEnvironmentalFederal Program SupportMaintenance OperationsMaterials and ConstructionMultimodalPolicy and PlanningTraffic and Safety All available categoriesAdministrativeBridge and StructuresDedicated ProgramsEnvironmentalFederal Program SupportMaintenance OperationsMaterials and ConstructionMultimodalPolicy and PlanningTraffic and SafetyYear:All available years201820172016201520142013201220112010200920082007200620052003Unknown All available years201820172016201520142013201220112010200920082007200620052003UnknownSearch