Category: Transportation Engineering

How Do You Know What Roads are Good Candidates for Mill and Overlay?

By Mark Petersen, PE Structural layer coefficient. Excavation below subgrade. K values. Cold in-place recycling. If those terms aren’t familiar to you, not to worry. Transportation engineers are well-versed in the vocabulary of road repairs, and you can rest assured that what’s happening on the other side of those orange barrels is for the benefit… Read More »

High Mast Light Poles Light the Way for Drivers

By Michael Noesen, PE, and Tim Howell, CBI It’s a given that nighttime driving is more hazardous than daytime driving. Visibility decreases even when a vehicle’s headlights are on. High mast lighting is one of the tools roadway engineers use to help improve visibility for motorists. It provides a safer environment for motorists when designed… Read More »

Complete Streets Can Address Aesthetic, Environmental Concerns

By Jeffrey Siewert, PE Complete Streets are created for everyone. Traditionally roadways were primarily designed for motor vehicles. Over time, roadway design has evolved to include multimodal transportation concepts and features. About the Expert: Jeffrey Siewert, PE, is a project manager in the Tampa-Hidden River Parkway office in Florida. Complete Streets elements are part of… Read More »