Colorful Flags and Underground Utility Markings Keep Everyone Safe
By Nicholas Schramer When people see a crop of colorful flags and paint marks on their property, the reaction usually ranges from annoyance to alarm. What’s going on? Those flags and paint marks are more important than they may first appear. Please resist the temptation to remove them! About the Expert: Nicholas Schramer has more… Read More »
Tags: construction, Land Surveying, Subsurface Utility Engineering, Utility Locating
Potholes: How They Form and How They Can Be Prevented
Whether traveling on local streets, rural roads, or busy highways, nothing is more satisfying to a driver than a long stretch of smooth road. Conversely, nothing is more aggravating than a route peppered with potholes. Unfortunately, without proper road maintenance, the latter can become the norm rather than the exception ― and in addition to… Read More »
Tags: Asphalt, base course, patching process, pavement preservation, pothole prevention, Potholes, subgrade
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 »
Tags: Freeway Interchanges, Lane Closure, Merging, Traffic, Traffic Backup, Transportation Engineering, Zipper Merge