Did you know the state departments of transportation oversee all construction and maintenance of our Interstate System, but the federal government maintains oversight to interstate access? Therefore, any change of access to the Interstate System requires approval by the Federal Highway Administration (FHWA). I recently attended an FHWA workshop at the Tennessee Department of Transportation…
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Did you know a new traffic law went into effect in Alabama on Sunday, September 1st? The new law, also known as Act 2019-386 or SB 254, requires all occupants of a motor vehicle to use seat belts (Alabama Law Enforcement Agency). You read that right. Up until now, back seat passengers did not have…
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Sain has been involved with the I-59/20 bridge replacement project long before the closure in January. Teaming up with the Alabama Department of Transportation in 2012, Sain aided in planning and designing for the deployment of Intelligent Transportation System devices to be installed as part of the bridge construction. Sain also provided traffic forecasting and…
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The Birmingham Jefferson Convention Complex is beginning grading work this month at the site of the future Protective Stadium. The multi-use stadium will have a 45,000 seat capacity and will serve as the home stadium for UAB’s football team in addition to hosting other athletic events and concerts. The stadium will be located on the four blocks…
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Traffic signals are part of daily life for most U.S. citizens. Traffic signals are commonly seen at roadway intersections and primarily function to assign the right-of-way to the various traffic movements. A traffic signal uses three colors, directional arrows, and circular indications to convey certain messages to drivers. When signals work as normal, most drivers…
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We sat down with Charles Cochran, P.E., PTOE, RSP, to learn about the ins and outs of connected vehicles. Q: What are Connected Vehicles? A: Connected Vehicles use communication technologies to “talk” to other vehicles, drivers, pedestrians, and infrastructure. For example, as a vehicle approaches an intersection outfitted with connected vehicle technology, the traffic signal…
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A project to implement new traffic signal technology for Cobbs Ford Road in Prattville is nearing completion. The project includes new traffic signal controllers and additional vehicle detectors for the nine signalized intersections along Cobbs Ford Road from Silver Hills Drive to I-65. These signals are also being connected to a database and interconnected with…
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