MN Local Road Research Board

A Snow Plow - Cool!

This half-hour lesson addresses safety around snowplows. It is designed for 2nd and 3rd grade children and was produced by the Minnesota Department of Transportation (MnDOT) and the Local Road Research Board (LRRB).

Road Repair: Do the Right thing at the Right Time

This video discusses the causes and consequences of pavement break up, how rehabilitation decisions are made, and the rehabilitation alternatives. Also covered is a cost bene-fit comparison of the rehabilitation choices.
Available on YouTube

Pothole Repair: Proven Practices

This video is intended for street maintenance workers who repair potholes for municipal, county, and state highway agencies. It provides an overview of the causes of potholes and repair methods.
Available on YouTube

Sealcoating: A Matter of Science and Skill

Discusses the purpose of sealcoating, outlines the basics of planning a sealcoating job, and gives some tips for doing the job right.
Available on YouTube

Weather and Loads: The Effect They Have on Roads

A meteorologist explains the scientific concepts of weather and loads on pavement through the use of props and models. The objective is to motivate greater initial costs of building stronger roads and define and display spring load limits.
Available on YouTube

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