Did You Know? Rumble Strips

Posted by on Aug 28, 2018
Did You Know? Rumble Strips

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 […]

Did You Know? Traffic Loons

Posted by on Apr 17, 2018
Did You Know? Traffic Loons

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 […]

Did You Know: Roadway Signing

Posted by on Jan 10, 2017
Did You Know: Roadway Signing

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 […]

Did You Know: Roadway Design and Guardrails

Posted by on May 10, 2016
Did You Know: Roadway Design and Guardrails

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 […]

Did You Know: How Speed Limits Are Determined

Posted by on May 3, 2016
Did You Know: How Speed Limits Are Determined

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 […]

Did You Know: Interstates and Highways

Posted by on Apr 22, 2015
Did You Know: Interstates and Highways

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.

Did You Know – Traffic Signals, Part B

Posted by on Mar 24, 2015
Did You Know – Traffic Signals, Part B

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.

Did You Know – Traffic Signals, Part A

Posted by on Mar 17, 2015
Did You Know – Traffic Signals, Part A

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.