The Local Road Research Board publishes a wide range of transportation-related educational materials. Our most recent and popular guidebooks, manuals and courses are available below. For all research reports, go here.
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This booklet is intended to aid local and state highway construction, maintenance, and design staff understand the potential causes and possible remedies for bumps that occur during overlay construction.
This resource guide was created to supplement the Minnesota Stormwater Manual in regards to local government inspection and maintenance activities associated with various BMP categories. It can be used as a tool by city staff and policy makers for evaluating various BMPs to install based on anticipated long-term maintenance requirements.
This guide provides easy-to-use steps for calibrating snowplow sander controllers. It includes quick calibration sheets, calculation worksheets, and blank calibration forms for both manual and automatic controllers.
This manual, a reformatted version of LRRB Manual 2005-33, has been designed to be used as specifications for concrete repair of local city streets and county concrete pavements. It is intended to be used as supplemental specifications for constructing this work throughout the state of Minnesota.
This revised Seal Coat Handbook is intended to be a practical tool for the designer and the technician.
The use of warranties in roadway construction is a hot topic at the state and local level. Agencies across the board are looking for innovative ways to deliver construction projects and reduce maintenance costs and time commitments. This report examines how warranties may offer some relief.
Here you’ll find resources for anyone considering a career as a civil engineer.
This manual will assist counties, townships and local units of government by providing guidelines and methods for effective erosion control practices on low-volume roads.
This field manual provides guidelines for preventive asphalt pavement maintenance techniques for a variety of distresses and conditions.
This handbook was written to provide guidelines for effective management of roadside vegetation for local agencies, and highlights seven best management practices (BMPs) that were identified through research, surveys, and discussion with industry experts.
The purpose of this handbook is to provide background information about the importance of pavement preservation and preventive maintenance, as well as present maintenance techniques for a variety of distresses and conditions.
Using a series of dramatic crash-test clips, this video illustrates the potential dangers of mailbox installations on high-speed roadways, and suggests safer, cost-effective alternatives to standard wood posts and other designs that penetrate windshields on impact.