Geometric Design Training Series (Online)
This training series is intended to serve as a resource on the fundamentals of roadway design. It is made up of 29 courses consisting of video segments, interactive illustrations, examples, and exercises.
Private: Transportation Research Syntheses
Check the Status of Your Research Idea
If you submitted a research idea to the Local Road Research Board, you can check the status of your idea on the LRRB Idea Tracker.
CEAM Webinar: LRRB Search Results on Local Speed Limits
Attend the Sept. 27 CEAM webinar featuring two recent LRRB projects focused on local speed limits, Guidelines for Determining Speed Limits on Municipal Roadways and Impact of Speed Limit Changes on Urban Streets.
Virtual Webinar: Are Your Ponds Serving Their Water Quality Function?
A video of the June 1, 20023 CEAM webinar, Are Your Ponds Serving Their Water Quality Function, is available for viewing.
St. Louis County receives National Mousetrap Award
St. Louis County received the National Build a Better Mousetrap “Smart Transformation Award” for its Remote Camera Installation project. The award was announced at the National LTAP & TTAP Association annual conference in July.
Mitigating Projects Missing Deadlines
Construction projects are increasing in complexity, size, cost, and constraints, and that can lead to missing deadlines. This resource offers guidance on contract language and processes that when used will improve the likelihood of delivering a construction project on time.
Drainage 101: Best Practices and Resource Guide
The process involved in researching drainage law and defining the best approach to solving drainage issues can be substantial. This guide provides quick access to information on legal solutions to recurring drainage issues and solutions to solve drainage problems.
Speed Limit Guidance for Municipal Roadways
This guide examines the history of speed limits, a recent statutory change and consequences to communities. It explores the effectiveness of speed limit changes, outlines a process to follow when making a change, and offers alternative pedestrian and bicycle safety strategies.
Best Practices for Improving Subgrade Drainage
This guidebook is designed to assist agencies in understanding drainage problems and provide options to consider for mitigating structural damage to pavements due to moisture.
Snowplow Driver-Assist System Receives Research Partnership Award
The snowplow driver-assist system sponsored by MnDOT and the LRRB received the Robert C. Johns Research Partnership Award from the Center for Transportation Studies, University of Minnesota.
OPERA Project: The Otter Claw
The Otter Tail County High Department’s new skid steer attachment, the Otter Claw, safely removes large amounts of debris from culverts, ditches, around bridges, and other hard-to-reach locations in minutes.
Introduction to Construction Staking (Hybrid)
This hybrid course, offered by Minnesota LTAP online beginning May 2 and in person on May 16, by provides an introduction to land surveying in general and construction staking, which is the process of taking information from project plans and mapping them out on the construction site.
Guidelines for Using Intelligent Warning Devices
This guide provides detailed information on four intelligent warning devices. It is a resource that local agencies can use and modify to their needs when considering these technologies.
Pavement Marking Decision Tree – Project Level
The Pavement Marking Decision Tree is a handy guide to assist agencies in understanding their options when determining which pavement marking material is appropriate for their project.
Resilient Communities Project Seeks Proposals from Local Agencies
The University of Minnesota’s Resilient Communities Project (RCP) is accepting proposals from local government agencies in Minnesota for assistance with projects that will begin fall 2023. Deadline for proposals is April 30, 2023.
Asphalt Crack Treatment FAQs and Technical Resources
An easy-to-use quick reference guide is now available that provides an overview of crack treatment to help agencies make decisions on how to best implement a crack treatment program.
Fog Sealing Chip Sealed Roads Can Improve Performance
A best practices manual is now available for local agencies to improve the chip seal experience. New research explored the cost-effectiveness of fog sealing over chip sealed roads, the ability of fog sealing to improve chip retention and fog sealing application methods.
LRRB Announces 2023 Research Projects
The Local Road Research Board has funded 26 new research and implementation projects to address issues facing the Minnesota transportation community, including the impacts of complete streets and the re-use of waste materials in sustainably designed soils.
Impacts of Deferred Maintenance in Minnesota
Pavement conditions along Minnesota’s state-aid, county, city, and township roads are anticipated to deteriorate based on current funding levels. New research identifies factors that impact maintenance spending and provides recommendations to help close funding gaps. A new fact sheet identifies the benefits of consistent maintenance.
LRRB Annual Report Now Available
The FY2022 LRRB At-A-Glance summarizes the LRRB’s research activities for the last fiscal year, detailing successful collaboration by Minnesota’s city and county transportation agencies to support research that improves our transportation infrastructure, enhances highway safety and integrates the local road system into the community.