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Maintenance Training

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Highway engineers continue to look for a means to increase the service life of surface treatments and reduce complaints by highway users of loose chips from traditional chip seal projects. Microsurfacing/Slurry Seals have proven to provide better results. The mixture cures into a hardwearing, dense-graded...

Cold-in-place recycling (CIR) is the processing and treatment with bituminous and/or chemical additives of existing HMA pavements without heating to produce a restored, cold mix, pavement layer. A complement to the CIR process is cold central plan recycling (CCPR). CCPR allows a contractor to produce...

Hot-in-place recycling (HIP) is an efficient process used to repair and rehabilitate deteriorated bituminous streets and highways. What is hot-in-place recycling? Maintenance strategy Specialty equipment States using HIP Review of stabilizing agents Design Criteria Bidding tips Construction...

A slurry seal is the application of a mixture of water, asphalt emulsion, aggregate (very small crushed rock), and additives to an existing asphalt pavement surface. A slurry seal is similar to a fog seal except the slurry seal has aggregates as part of the mixture and is processed in a pug mill on a...

Pavement markings are applied for the purpose of regulating and guiding the movement of traffic. They are proven to be an effective, cost-efficient and safety enhancing element of the roadway system. The application of markings is more than simply placing lines on the roadway. It is actually the installation...

Full-depth reclamation (FDR) is a pavement technique in which the full flexible pavement section and a predetermined portion of the underlying materials are uniformly crushed, pulverized or blended, resulting in a stabilized base course. Further stabilization may be obtained through the use of available...

This presentation will discuss the basics of pavement markings, types of materials, design considerations, installation best practices, expected life of markings, maintenance of markings and future needs.

Many communities in the U.S. were not designed for pedestrian and bicycle travel. However, today, walkability and bikeability are important for active transportation and are indicators of a livable community. Accommodating pedestrians and bicyclists must be done safely. Each year, over 5,000 pedestrians...

Pipe jacking and tunneling demands are ever increasing as transportation agencies seek methods to reduce traffic disturbances and improve roadway quality. Failing conduits, the need for additional capacity, and critical or sensitive system expansions all mean more footage of conduit installation without...

When a vehicle leaves the travel lane or the roadway, the results can be deadly. More than half the annual fatal crashes in the U.S. relate to roadway departures. Roadway departure crashes are the leading cause of traffic deaths in many states. This workshop provides an overview of safety treatments...

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NDSU Dept 2880P.O. Box 6050Fargo, ND 58108-6050
(701)231-1087info@ugpti.org