Understanding Retroreflectivity Assessment Methods in the MUTCD

June 5, 2025

Maintaining safe and visible traffic signs is one of the most important responsibilities of any highway department. Over time, sign sheeting materials degrade, reducing their visibility at night. The Manual on Uniform Traffic Control Devices (MUTCD) requires that agencies maintain sign retroreflectivity at or above minimum levels. To help agencies comply, the MUTCD outlines several assessment methods, with two primary options being most commonly referenced: Visual Nighttime Inspection and Measur…continue

Understanding Barricade Striping

June 2, 2025

Barricades are a common sight in construction zones, work areas, and emergency detours, but not all barricades are created equal. The orange or red diagonal stripes you see on barricades aren't just there for visibility - they actually convey important directional and safety information to drivers and pedestrians. In this article, we’ll break down the meaning behind the stripes on Type 1, Type 2, and Type 3 barricades, what “left” and “right” stripes indicate, a…continue

Understanding the Manual on Uniform Traffic Control Devices: Why It Matters

May 27, 2025

The Manual on Uniform Traffic Control Devices (MUTCD) is the national standard for traffic signs, road surface markings, and signals in the United States. Maintained by the Federal Highway Administration (FHWA), the MUTCD serves as the backbone of roadway safety and consistency, guiding how information is conveyed to drivers, cyclists, and pedestrians across all 50 states. What Does the MUTCD Cover? The MUTCD is a comprehensive document that governs: Traffic Signs: Regulatory (e.g., stop signs),…continue

Artificial Intelligence and Video Detection

April 24, 2025

*Disclaimer: This is not a paid product placement. The company Miovision is mentioned in this article solely based on my experience with their product. I cannot make a comparison between them and other companies offering similar products. Artificial Intelligence Behind the Wheel: How Video Detection is Quietly Easing Traffic Jams Ever been stuck at a red light with no other cars in sight and thought, “Why am I waiting here?” Or cruised through an intersection that always used to back…continue

Speed Bumps Don’t Belong on 30 MPH Roads

April 19, 2025

It’s not uncommon for concerned residents—especially those with young children—to contact their local highway superintendent with a simple request: “Can we get a speed bump on our street to slow traffic down?” It’s an understandable concern. Everyone wants safer streets, especially in residential neighborhoods where kids might be playing nearby. But when the posted speed limit is already 30 MPH—which is usually the lowest speed permitted by state law out…continue