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LRRB

Minnesota Local Road Research Board

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Transportation Research Syntheses

LRRB Funds Projects to Put New Knowledge Into Practice

January 1, 2021 by Shannon Fiecke

The LRRB has funded 10 new research implementation projects that will develop educational products on high-need topics for Minnesota transportation practitioners.

Filed Under: Latest News (Home Page), News, Uncategorized

LRRB Announces 2021 Research Projects

December 31, 2020 by Shannon Fiecke

The LRRB has funded 18 new research projects that address issues facing the Minnesota transportation community, including impacts of detour routes on local roads and the influence of autonomous vehicles.

Filed Under: Latest News (Home Page), News

LRRB, LTAP Launch Transportation Internship Initiative

December 16, 2020 by Shannon Fiecke

The Local Agency Transportation Internship Program (LATIP) is a new initiative designed to connect local agency employers across Minnesota with university students pursuing careers related to transportation.

Filed Under: Latest News (Home Page), News

OPERA Project: Cement-Stabilized Gravel Roads

November 27, 2020 by Shannon Fiecke

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.

Filed Under: Latest News (Home Page), News

Bicycle Facility Implementation – Quick Reference Guide

November 24, 2020 by Shannon Fiecke

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.

Filed Under: Multimodal, Featured Products (Home Page), Manuals/Handbooks

Virtual Workshop: Culvert Design for Stream Connectivity and Aquatic Organism Passage

October 28, 2020 by Micaela Resh

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.

Filed Under: Latest News (Home Page), News, Uncategorized

Utility Relocation: A Communication and Coordination Process For Local Governments

October 19, 2020 by Shannon Fiecke

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 […]

Filed Under: Uncategorized

GIS Tools and Apps – Integration with Asset Management

July 24, 2020 by Shannon Fiecke

A Quick Start Guide offers guidance on how to get started using GIS tools for managing public works assets.

Filed Under: Maintenance Operations, 2019-2021, Manuals/Handbooks Tagged With: Asset Management, GIS Tools, GIS

OPERA Project: Traffic Signal Preemption for Snowplows

July 7, 2020 by Micaela Resh

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.

Filed Under: Latest News (Home Page)

Virtual Workshop: Current Practices for Lightly Surfaced Roads

May 13, 2020 by Shannon Fiecke

A new training developed by the LRRB offers guidance on how to select the right Lightly Surfaced Road Treatment and successfully apply it.

Filed Under: Latest News (Home Page), News

Side-Dumping Plow Truck Piloted in Nicollet County

May 13, 2020 by Micaela Resh

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.

Filed Under: Latest News (Home Page), News, Videos

Improving Roadside Turfgrass Establishment

May 5, 2020 by Micaela Resh

The LRRB has developed a comprehensive online course for turfgrass installers. A website provides guidance to homeowners living near new turfgrass installations.

Filed Under: Latest News (Home Page), Presentations/Training

Pavement Preservation Guidance for Local Agencies

May 5, 2020 by Micaela Resh

New pavement preservation guidance helps local road agencies review accessible and effective options for preserving the condition of local asphalt pavements.

Filed Under: 2019-2021, Latest News (Home Page), Manuals/Handbooks

Best Practices for Managing Utility Congestion Within Rights-of-Way

March 31, 2020 by Micaela Resh

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.

Filed Under: 2019-2021, Featured Products (Home Page), Manuals/Handbooks

Guide to Converting Distressed Low-Volume Paved Roads to Unpaved Roads

March 27, 2020 by Shannon Fiecke

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

Filed Under: Manuals/Handbooks, Presentations/Training, Videos

Kuehl Recognized For Transportation Safety Work

March 8, 2020 by Shannon Fiecke

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 […]

Filed Under: Latest News (Home Page), News, Uncategorized

New Report: Taconite-Based Mixture Shows Further Promise for Repairing Potholes

March 8, 2020 by Shannon Fiecke

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 […]

Filed Under: Latest News (Home Page), News

Study recommends longer sight distances for rural intersections

March 4, 2020 by Shannon Fiecke

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 […]

Filed Under: Latest News (Home Page), News

LRRB Develops Design Standards for Unobstructed Sight Lines at Left-Turn Lanes

March 3, 2020 by Shannon Fiecke

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.

Filed Under: Latest News (Home Page), News

LRRB Names New Chair and Members

February 28, 2020 by Shannon Fiecke

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 […]

Filed Under: Latest News (Home Page), News

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