The Local Road Research Board publishes a wide range of transportation-related educational materials. For research reports, go here.
Contact Sandy McCully at 651-366-3768 for more information.
A quick reference guide for addressing seasonal movements at culverts and utilities. Topics include: causes of seasonal movement, susceptible soils, potential issues/evaluation, mitigation construction practices, utility trench treatment, and
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.
A Quick Start Guide offers guidance on how to get started using GIS tools for managing public works assets.
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
An introduction to all aspects of consolidated asset management for smaller departments, from getting started to an overview of software programs, the benefits of life-cycle cost analysis and the need for risk management.
A Light Surface Treatment, also known as a bituminous surface treatment, is a relatively new method for preserving a gravel or dirt road surface. The LRRB developed a half-day training curriculum to help counties and townships select the right treatment and successfully apply it.
This quick reference guide helps local agencies select appropriate crosswalk treatments based on roadway type, vehicle volumes and posted speed limits.
The City of Edina Engineering Department has developed a temporary roadside turf irrigation system with inexpensive common parts for the roadsides of smaller city road and utilities reconstruction projects as a more efficient and cost-effective alternative to water truck irrigation.
This November 2019 LTAP workshop covered all aspects of rehabilitation for concrete pavements, concrete curb and gutter, and median sidewalk pavement.
Workshop: Extending Pavement Life through Pavement Preservation Techniques, Strategies, and Preventative Maintenance
A new LRRB-sponsored workshop will provide an overview of the available technology and tools that make implementing a pavement preservation program feasible.
Researchers showed that cold in-place recycling and full-depth reclamation with chip seals are often more cost-effective than full pavement reconstruction of rural asphalt roads. Check out the research report for other cost-effective alternatives.
The Local Road Research Board hosted “A Guide to Successfully Convert Severely Distressed Paved Roads to Engineered Unpaved Roads” on Oct. 29, 2019 from 10 – 11:30 a.m.
The LRRB was featured on Edina TV on Sept. 16, 2019. The City of Edina’s Engineering staff is testing a new irrigation system in hopes of finding a more efficient and cost-effective way of replacing grass and vegetation following a road reconstruction project.
A new guidebook, video and handout provide best practices for successful establishment of boulevard turfgrass after road construction.
The LRRB recently funded an update to a popular workshop on corridor management for paved trails. The workshop focuses primarily on the management and maintenance of the trail pavement but also includes other elements such as vegetation, drainage, signing/striping, lighting and amenities.
This brief video highlights the topics covered in the LRRB’s guidebook, including Steps for Successful Base Stabilization, How to Choose the Right Additive, and Research on Why Base Stabilization Works.