Minnesota Local Road Research Board
McLeod County undertook a rehabilitation project of County Road 54 in 2018 using cement-stabilized full-depth reclamation to increase the road strength, along with the application a double chip-seal surface.
A companion to the MnDOT Bicycle Facility Design Manual, this guide offers a quick reference to key resources, FAQs, and more related to bicycle facility selection, design, and operations.
Minnesota LTAP is hosting an online workshop will help culvert designers efficiently and consistently develop public waters culvert projects with respect to aquatic organism passage (AOP) and stream connectivity.
Oftentimes roadway projects, whether new construction, reconstruction, or maintenance of an existing facility, involve either temporarily or permanently relocating utilities within the project area. Ensuring that utility relocation is done […]
A Quick Start Guide offers guidance on how to get started using GIS tools for managing public works assets.
The City of St. Cloud received a $10,000 grant through the Local OPERA Program to evaluate a new level of traffic-signal preemption developed for snowplows and other similar equipment called relative priority preemption (RPP). Relative priority preemption is similar to high-level preemption in that it will force a traffic signal to display green except when emergency vehicles need it.
A new training developed by the LRRB offers guidance on how to select the right Lightly Surfaced Road Treatment and successfully apply it.
Video demonstration of adaption of a Mack Super Truck from its usual winter snowplow configuration to also haul a much larger side-dumping trailer in summer. Includes fact sheet.
The LRRB has developed a comprehensive online course for turfgrass installers. A website provides guidance to homeowners living near new turfgrass installations.
New pavement preservation guidance helps local road agencies review accessible and effective options for preserving the condition of local asphalt pavements.
The guide focuses on the requirements of Minnesota statutes, including the powers they grant to local agencies to issue permits, require quality mapping and expect timely progress.
A practitioner-ready guide for converting severely distressed low-volume paved roads to improved, easily maintained gravel roads. The guide includes decision-making tools and an online webinar for training
Minnesota Toward Zero Deaths has awarded its annual Engineering Star Award to Renae Kuehl, LRRB research implementation and outreach consultant, in recognition of her work on safety-related initiatives such as […]
Researchers have further refined a quick and innovative pothole repair method using taconite mixtures. The recently completed study was funded by the Minnesota Local Road Research Board in collaboration with […]
Using a sophisticated driving simulator, LRRB-sponsored researchers determined that 400 and 600 feet of sight distance is insufficient at rural intersections. Drivers performed much better with 1,000 feet of sight […]
Positive offset left-turn lanes can significantly reduce crashes by improving left-turning motorists’ visibility of opposing through and right-turning traffic. This is the findings of a recently completed LRRB study, which examined decades of research and reviewed guidance from 23 state DOT road design manuals to develop Minnesota-specific guidelines to improve sight lines at intersections, particularly those of left-turn lanes.
The Local Road Research Board thanks outgoing board members Tim Stahl (Jackson County) and Lyndon Robjent (Carver County), who recently completed two, four-year terms of service. The board welcomes new […]
The LRRB is hosting Session #22 on Wednesday, March 4, 2020 from 10:00 – 11:00 a.m. in Meeting Rooms 2-3 at the Saint Paul RiverCentre.
The Minnesota Local Road Research Board has published a new guidebook to help local agencies get started on developing a consolidated asset management system. The guide addresses the particular needs of smaller groups to effectively and optimally manage their roadways, buildings, vehicles, equipment and other assets.
A recently completed research project, funded by the LRRB and MnDOT, is featured in the January 2020 edition of Roads & Bridges.