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Maintaining America’s most historic tourist routes

Dec 18, 2014

Maintaining America’s most historic tourist routes

Americans love to explore the countryside in their cars, and many regions have obliged by designating special scenic travel routes. But few roads have been as deliberately designed to appeal to the sensibilities of travelers as Iron Mountain Road in ...

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Choosing the right machine for proper soil compaction

Dec 11, 2014

Choosing the right machine for proper soil compaction

A system that allows detection of thermal segregation in the asphalt mat, in real time, and records a thermal profile is now being used by some state Departments of Transportation. The reason is to eliminate inconsistent densities because freshly paved ...

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Behind Resurfacing a 16-Mile Stretch of an Iowa Highway

Dec 08, 2014

Behind Resurfacing a 16-Mile Stretch of an Iowa Highway

When looking up miscellaneous statistics, you learn that average life of a U.S. currency $10 bill is 4.2 years, and a common goldfish – properly cared for – will last 7 to 14 years before going belly up. When it comes ...

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Taking control of congestion on Tomball Parkway

Oct 09, 2014

Taking control of congestion on Tomball Parkway

State Highway 249, also known as the Tomball Parkway, is one of the primary freeways serving the city of Tomball in Harris County, Texas. Running north and south, it is located in Commissioner R. Jack Cagle’s Precinct 4. The six-lane highway ...

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Will the Real Leader Please Stand Up on Nationwide Tolling?

Aug 21, 2014

Will the Real Leader Please Stand Up on Nationwide Tolling?

It’s time to take a much closer look at tolling on a national level to fund our transportation infrastructure, but we will require leadership at a whole new level. The existing method, the gas tax, is obsolete. I won’t waste ...

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3 strategies for balancing safety and roadside weed control

Aug 14, 2014

3 strategies for balancing safety and roadside weed control

Balancing public and crew safety while maintaining effective roadside weed control is an ongoing challenge for DOT managers. Rights of way can be dangerous places when weeds obstruct sightlines, compromise road surfaces and provide fuel for wildfires. To learn more about ...

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Strategizing for Safety

Aug 06, 2014

Strategizing for Safety

How the construction team for Minnesota’s Highway 23 Paynesville Bypass completed this project ahead of schedule despite truncated work season.   As with many of the older roadways in the United States, increased traffic has made them congested and ultimately unsafe. Minnesota ...

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In the Groove with Diamond Grooving and Grinding

Jul 02, 2014

In the Groove with Diamond Grooving and Grinding

Diamond grooving and grinding are being used to restore rough or polished concrete pavements to ultrasmooth conditions and quell noise – but at a price. By Tom Kuennen, Contributing Editor Diamond grooving and grinding of aging portland cement concrete (PCC) pavement renews ...

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Minnesota’s New Solutions for Aging Pavement

Jun 05, 2014

Minnesota’s New Solutions for Aging Pavement

Using myraid concrete pavement restoration techniques, this state DOT minimized cost and traffic disruption while maximizing longevity and optimizing results. A recently completed project on the heavily trafficked I-94 between Minneapolis and St. Cloud, Minnesota, provides an example of how one ...

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Size Matters in Mix Grades and Aggregate Shapes

May 06, 2014

Size Matters in Mix Grades and Aggregate Shapes

Whether it’s dense-graded, open-graded or gap-graded mix or stone-matrix asphalt, don’t forget their impact on compaction. Many contractors look to temperature when contemplating compaction needs. Yet, some off-site specifications also have a significant impact on the jobsite. These include mix design ...

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Buying Time with U.S. Bridges

May 06, 2014

Buying Time with U.S. Bridges

New technologies and products can extend pavement life to help address the chronic pavement problems of the highway and bridge building industry.   A number of problems have converged to create a perfect storm that threatens the condition of the United States’ ...

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Inflation is Key

Apr 25, 2014

Inflation is Key

Maintaining Optimal Tire Pressure is Essential to a Successful Preventative Maintenance Program A kick to a tire doesn’t reveal much more than the stiffness of your boot and it certainly isn’t a good gauge of the level of air pressure in ...

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