Minnesota Local Road Research Board

This research project summarizes various aspects of pedestrian crossings. The document is focused on pedestrian crossings in a rural environment. This project seeks to provide a comprehensive overview of pedestrian crossings for both pedestrians and drivers by examining Minnesota statutes, summarizing key features of pedestrian crossings, synthesizing findings from existing research reports and studies, and integrating other relevant resources.

This report provides an overview of the Minnesota Local Road Research Board's activities during FY 2024 (July 1, 2023-June 30, 2024).

This spreadsheet is part of the final deliverable for Report 2024RIC07, " Best Practices for Dust Control in Minnesota."

This appendix is part of the final deliverable for 2024RIC07, "Best Practices for Dust Control in Minnesota," published November 2024.

This appendix is part of the final deliverable for 2023RIC07, " Best Practices for Dust Control in Minnesota," published November 2024.

More than 50 percent of the road network in the United States are gravel roads, underscoring their crucial role in the transportation system. However, one of the drawbacks and biggest complaints of gravel roads is the dust they generate when vehicles pass, causing inconvenience for residents from dust that settles on homes, yards, and parked cars. Dust can also reduce the safety for drivers due to impaired vision. Recently, counties have received calls from residents inquiring about environmental, health and corrosion concerns with dust and dust control suppressants. This document investigates these additional questions as well as reviews and updates previous LRRB reports on dust control.

While seal coating has been widely used as a cost-effective strategy in asphalt pavement preservation by the Minnesota Department of Transportation (MnDOT) and local agencies to extend the life of pavements, some cities and counties in Minnesota have reported their concerns about the premature stripping of street pavements that have been seal coated. The Local Road Research Board (LRRB) completed a study on seal coats titled, Is Seal Coating Counterproductive or Not? to address these issues. The purpose of this document is to provide users with quick access to some of the research and resources available in Minnesota

The three-volume Research Review lists all of the completed MnDOT Investigations, LRRB studies and Special Studies as of 1983. The table of contents document lists the projects by topic.

The Minnesota Local Road Research Board's Local Operational Research Assistance Program, or the Local OPERA Program, helps to develop innovations in the construction and maintenance operations of local government transportation organizations. The Local OPERA Program encourages maintenance employees from all cities and counties to get involved in operational or hands-on research. In particular, OPERA helps to develop your great ideas locally and share those ideas statewide. The Local OPERA Program funds projects up to $10,000. OPERA project selections are made as projects are submitted. OPERA-funded projects also may receive support from other sources, including cities, counties, suppliers, or manufacturers. Projects are funded in two parts. The local agency is eligible for 80 percent of the total approved project cost when initial project results are submitted. The remaining 20 percent will be paid upon submission of a final report. This report is a compilation of projects completed during the past year by local government transportation organizations receiving OPERA support.

The Minnesota Local Road Research Board's Local Operational Research Assistance Program, or the Local OPERA Program, helps to develop innovations in the construction and maintenance operations of local government transportation organizations. The Local OPERA Program encourages maintenance employees from all cities and counties to get involved in operational or hands-on research. In particular, OPERA helps to develop your great ideas locally and share those ideas statewide. The Local OPERA Program funds projects up to $10,000. OPERA project selections are made as projects are submitted. OPERA-funded projects also may receive support from other sources, including cities, counties, suppliers, or manufacturers. Projects are funded in two parts. The local agency is eligible for 80 percent of the total approved project cost when initial project results are submitted. The remaining 20 percent will be paid upon submission of a final report. This report is a compilation of projects completed during the past year by local government transportation organizations receiving OPERA support.