Transportation

Behind The Scenes: I-59/20 Big Build

Posted on by Jeff Stephenson, P.E., PTOE

If you live anywhere close to the Birmingham area or if you have traveled through Birmingham within the past several months, you are certainly aware of the construction taking place on I-59/20 in the Central Business District (CBD) of downtown Birmingham. The emphasis of the project is to replace the aging bridges on I-59/20 between…
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Travel Demand Models Help Predict Travel Patterns

Posted on by Paul Gilliam

Travel Demand Forecasting involves the use of a variety of models to duplicate Trip Generation, Trip Distribution, Mode Choice (e.g. car, transit, bicycle, etc.), and Highway/Transit assignment in a metropolitan region. The models are coded using a program language that is typically executed using Cube or TransCAD software. The primary inputs into the model are…
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