LRRB

Minnesota Local Road Research Board

  • bridge

    Welcome to LRRB

    The LRRB serves local transportation practitioners through the development, acquisition and application of new knowledge, and the exploration and implementation of new technologies. Read More

Sign up for the LRRB e-newsletter subscribe

Featured Products

Rural Pedestrian Crossings

- Increasing trends and public requests for crosswalks necessitates a look at best practices for pedestrian crossings on rural roads. A new resource offers guidance to improve safety, comfort and consistency.
Truck spraying dust control suppressant on road

Best Practices for Dust Control

- To control dust generated on gravel roads, local agencies apply various dust suppressants. New guidance updates previous research and addresses environmental, health and corrosion concerns.
Residential street with trees lining the boulevard

Best Practices for Boulevard Tree Selection

- A new guide recommends best practices for planting and caring for street trees, suggests tree species with a higher survival rate, and offers communication suggestions for encouraging resident support.
View All Products
Bridges
Environmental
Maintenance
Policy
Traffic
Multimodal
Materials

Home

Latest News

LRRB Announces 2025 Research Projects

(1/15/2025) - The Local Road Research Board has funded 29 new research and implementation projects to address issues facing the Minnesota transportation community including managing stormwater, improving asphalt durability, rural road safety, and drone guidelines for maintenance use.

Build a Better Mousetrap Winners Announced

(8/13/2024) - Congratulations to this year's Build a Better Mousetrap award recipients, whose creative innovations solved everyday transportation challenges. One winner solves the problem of slippery plow steps, the other helps maintain gravel roads year-round.

Transportation Career Resources

(3/1/2024) - This resource page features guidance, videos and a recruitment toolkit for local agencies in Minnesota. It also features information about transportation careers for job seekers.

View All News