Author: ayres

What’s a Mini Roundabout, And Why Is It Effective?

One type of roundabout design starting to gain traction in the United States is the mini roundabout, which features a reduced diameter (50 to 90 feet) with a traversable central island, allowing buses and trucks to travel over the top of it. Passenger vehicles are expected to use the circular roadway around the central island.Read More »

Ayres Wins National Award for Creative Bridge Project

The American Public Works Association has selected the Grand Avenue Half Moon Lake Bridge in Eau Claire, Wisconsin, as one of its 2019 Public Works Projects of the Year in the Small Cities/Rural Communities Transportation category. This national award comes on the heels of the APWA Wisconsin Chapter’s 2019 Project of the Year Award, the… Read More »

What Are PFAS, and Why Are They an Emerging Health Concern?

We use many organic and inorganic chemical compounds to develop everyday products, and these chemicals sometimes make it into our soil and groundwater and eventually into our water supply. Consider a group of fluorinated chemicals called PFAS, or per- and polyfluoroalkyl substances. As a group, PFAS are resistant to heat and repel water and oil,… Read More »