Did you know that there are three classifications for traffic barriers? Traffic barriers are roadside safety measures implemented to reduce motorist harm after leaving the roadway. The Federal Highway Administration (FHWA) categorizes roadside medians into three classifications: flexible, semi-rigid, and rigid. These classifications are defined by the deflection of the barrier when impacted by a…
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Did you know that the International Municipal Signal Association (IMSA) is one of the oldest associations for public safety systems? A group of municipal signal employees formed IMSA in 1896 as the “International Association of Fire and Police Telegraph Superintendents.” The initial goal of IMSA has stayed the same over the years: to help its members…
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As cities grow and land development expands, properly diverting water becomes crucial. Cities typically require the developer not to increase the amount of water discharging from the site after construction is complete. To control excess water after a storm, detention or retention ponds are used to prevent flooding, erosion, and runoff. As civil engineers and…
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Most historians agree that the first unit of measurement was the cubit. Developed by the ancient Egyptians, the cubit was the arm length between the elbow and the tip of the middle finger. In fact, most earlier units of measure were based on the human body. An inch was based on the width of a…
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One of the best ways to describe surveyors is to say that we are the eyes and ears of property owners. Many property owners, public or private, are not always familiar with the land they are trying to develop or improve. By doing a survey, we can show and note on a survey any easement,…
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As Sain’s Chief Financial Officer, and with almost 30 years of experience in the accounting field, I’ve become the go-to guy on financial issues. Over the years, I’ve seen a lot when it comes to accounting and know that it’s a huge topic to tackle. As National Small Business Month comes to a close, below…
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Interested in saving on fuel costs, reducing negative environmental impacts, and helping provide a more pleasant driving experience? The solution can be found through proper signal timing and coordination. Suppose signals are timed or coordinated incorrectly. In that case, vehicles will likely have to make frequent stops while traveling through a corridor, which wastes time…
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Have you ever wondered what that terrible noise and vibration are when you slightly veer on a roadway? Those noisy bumps are referred to as rumble strips, and they are formed when a ribbon of asphalt has been milled with a special tool. Rumble strips produce sound and vibration to alert drivers when they cross…
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Richard Holt, P.E., manager of our Pulaski, Tennessee office, is an initiated member of the Order of the Engineer. This is a prestigious organization that fosters a spirit of pride and responsibility in the engineering profession. The organization also bridges the gap between training and experience and presents a visible symbol identifying the engineer to…
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You may know that mile markers, or mileposts, alert drivers of their location along an interstate or highway, but did you know about the other functions they serve? Mile markers are used to indicate the distance traveled within a state and the distance to a destination, such as a city or a town. The mileage…
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