We are excited to announce the acquisition of Vision Engineering & Planning, a transportation planning and engineering DBE firm with offices in Columbia, MD and Atlanta, GA.
By: Richard Holt, P.E. Have you ever wondered what that terrible noise and vibration is when you slightly veer over the center or edge line of the roadway? Those noisy bumps are referred to as rumble strips or rumble stripes. They are formed when a strip of asphalt has been milled (cut) or rolled with […]
By: Diane Hammonds, P.E. / Branch Manager / LA office Some of us know about the birds called loons, but as traffic engineers we have loons too! A loon is also referred to as a “Michigan Left” because of their wide use there. It is pavement constructed outside of the travel lane to allow for vehicles […]
By Justin Watson, E.I., Infrastructure Designer Roadway signing can directly affect the safety of the public by warning drivers and pedestrians of any number of roadway hazards, traffic maneuvers, navigation information, etc. Signing and/or resigning is one aspect of a safety project where the designer relays active information to the driver, whereas things such as […]
As civil engineers and surveyors, there are many aspects of our daily jobs that are second nature to us. But we hear common questions about our field often from the public. In this “Did You Know” blog series, we’ll answer some of these questions. The Federal Highway Administration’s guidebook entitled Flexibility in Highway Design stresses the importance […]
Speed limits are used to set the maximum (or minimum in some cases) speed at which vehicles may legally travel on particular stretches of road. Speed limits in the United States vary depending on jurisdiction, with 75 to 85 mph common on interstate highways in the Western United States and 65 to 70 mph common […]