Tag: Transportation Engineering

Highways Designed with Snow and Cold in Mind

By Eric Sorensen, PE From temperature extremes to drainage, roadway designers factor in the snow and cold when designing for our northern and mountain states. Let’s look at the properties of various pavement types and the basics of how that pavement is placed and treated for optimal performance in climates plagued by cold and snow.… Read More »

Breaking Down the Zipper Merge

By Nathan Silberhorn, PE Here’s the scenario: signs warn that a lane of traffic will close soon, and two lanes of vehicles will be narrowed to one. Some drivers merge early and get to the through lane as fast as possible, then wait for traffic to advance. Others don’t seem to have a problem zooming… Read More »

Transportation Designers Avoid Cemeteries – and Not Just on Halloween

By Troy Robillard, PE Our transportation engineers avoid cemeteries at all costs – not because they’re spooky (especially on Halloween) but because having a road run into a burial site causes all sorts of headaches for clients, contractors, and the design team. A current intersection reconstruction project on CTH CE and Railroad Street in the… Read More »