Monthly Archives: May 2019

Signal Spotlights: 3D Crosswalks MUTCD Update

 I’ve heard about a crosswalk design that simulates 3-dimensional (3-D) objects in the roadway. Is such a concept compliant with the MUTCD? This concept does not comply with the MUTCD. As a result of demonstrated safety concerns, the FHWA is … Continue reading

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Warren’s Words of Wisdom: Is it a bird? Is it a plane? No!! “Holy Radio Frequency Batman…It’s a small cell site mounted on power poles!!”

Now that you know what to look for, what are they and how can they hurt you? These small cell sites are being installed to fill in gaps in locations where cell signals are weak (ever have a call drop?). … Continue reading

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Signal Spotlights: What Do Pilots, Surgeons and Traffic Signal Technicians Have in Common?

The Boeing B-17 Flying Fortress was key to the success of the Allied forces during WWII, dropping more bombs than any other U.S. aircraft. However, before the aircraft achieved greatness the prototype crashed during its first test flight in 1935, … Continue reading

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