Category: Transportation Engineering

Selecting the Appropriate Intersection Control

By Kevin Kuhlow Studies by the U.S. Department of Transportation’s Federal Highway Administration indicate that of all the traffic accidents that occur in the United States in a given year, fully half occur at intersections. And, on average, those intersection crashes account for 25 percent of all U.S. traffic fatalities. About the Expert: Kevin Kuhlow,… Read More »

Concrete vs. Asphalt: What’s the Best Roadway Surface?

By Mark Petersen, PE Budgets for roadways are tight, and elected officials have to seek the most value for limited construction and maintenance dollars. Unlike homeowners contemplating a new driveway, municipalities may be looking at miles of surface that must safely accommodate hundreds of vehicles a day. So which is the best investment, asphalt or… Read More »

PCI, PASER Provide Road Surface Report Cards

By Mark Petersen, PE Anyone driving a vehicle on a bumpy, rutted, potholed roadway can determine that the road needs attention, but the agencies responsible for funding repairs and replacements need a more reliable, scientific way to determine where limited highway dollars should be invested. About the Expert: Mark Petersen has been a transportation engineer… Read More »