Understanding Retroreflectivity Assessment Methods in the MUTCD

June 5, 2025
Listed in Highway Safety

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

How to Select the Right Culvert for Natural Water Flow Under Roads

June 4, 2025
Listed in Stormwater Management

When a road intersects with a natural stream, brook, or drainage path, a properly sized culvert is essential for maintaining water flow and protecting both the roadway and surrounding environment. Undersized or poorly installed culverts can lead to flooding, erosion, road damage, or even failure. Here’s what you need to know about selecting the right size and type of culvert, and why reaching out to your local Soil and Water Conservation District office may be a smart first step. Why Prope…continue

How Highway Departments Use Combination Sewer Cleaner Trucks to Maintain Stormwater Systems

June 4, 2025
Listed in Stormwater Management

Highway departments play a vital role in protecting roadways and nearby waterways by maintaining stormwater infrastructure. A key tool in this effort is the combination sewer cleaner truck, a powerful piece of equipment that both vacuums and jets debris from stormwater systems. One popular model used by many municipalities is the Vactor 2100, which features integrated high-pressure water jetting and a large-capacity vacuum system. What Is a Combination Sewer Cleaner Truck? Combination sewer clea…continue

Understanding Concrete Catch Basins in Stormwater Drainage Systems

June 4, 2025
Listed in Stormwater Management

Concrete catch basins are a foundational element of municipal stormwater management, helping to control runoff, reduce flooding, and improve water quality. Found along roadways, in parking lots, and throughout developed areas, these structures play a critical role in directing stormwater away from streets and properties and into the proper drainage network. What Is a Concrete Catch Basin? A catch basin is a below-ground structure, usually made of precast concrete, designed to collect stormwater …continue

PCI vs. Surface Condition: Two Ways to Evaluate Your Roads

June 4, 2025
Listed in Road Maintenance

When it comes to assessing road conditions, municipalities often turn to two main approaches: Pavement Condition Index (PCI) and Surface Condition Ratings. Both offer useful insights, but they serve different purposes and vary in complexity, time, and cost. Here's a breakdown to help you choose the right method for your highway department. Pavement Condition Index (PCI): A Detailed Look Beneath the Surface What is it? PCI is a standardized scoring system that evaluates the structural integri…continue