Monthly Archives: August 2020

Signal Spotlight: Optimizing Yellow Clearance Intervals: A Proven Safety Countermeasure At a signalized intersection, the yellow clearance or yellow change interval is the length of time the yellow signal indication is displayed following a green signal indication. The yellow signal … Continue reading →

 Sign Visibility and Retroreflectivity  Every day, no matter where we go or what we do, we see signs. Whether it’s the STOP sign at the end of a street, a pedestrian warning sign or the sign directing you to the … Continue reading →

OSHA’s Fatal Four   Public Works folks are so valuable because they are known to be jacks-of-all-trades; driving a dump, operating a chainsaw, digging holes, filling the holes they just dug, chipping tree branches, running a front-end loader, spreading sand, … Continue reading →