The intersection at Airline Highway and Siegen Lane-Sherwood Forest Boulevard in Baton Rouge, Louisiana, was notorious for long wait times and major crashes. Our client needed a solution, and fast. So, we traveled 1,800 miles (2,897 kilometers) to another country, and returned with an idea—the continuous flow intersection (CFI). This idea would solve everything.
The CFI design had rarely been used before in the U.S. So why this idea, and why now? Our project team thought it could work, but we had to see it first to believe it.
Our team jetted off to Tijuana and Juarez, Mexico, to see the continuous flow intersection “in action.” Our analysis of the CFI revealed that it was a better option than a traditional intersection on multiple levels—safety, operation, and cost. For instance, the CFI would only cost $5 million (US) versus the $50 million price tag for a typical grade separated intersection.
We were eager to bring this idea back home. When we returned, we visited the troubled intersection in Baton Rouge again and found a way to customize the CFI. Now we just needed to prove to the community that this foreign concept would work in our city, and show how millions of dollars could be saved in the process.
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