Interchange

Designing the Interchanges You Drive Every Day

When you drive on the interstate, you may not think twice about the entrance and exit ramps, overpasses, or flyovers that guide your route. However, behind every one of these features is a carefully engineered interchange – a vital structure that connects roadways, keeps traffic flowing, and promotes safety. Interchange design is a critical part…
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The Story behind Exit 46

Many Southern Middle Tennessee drivers have already traveled through the work zone at Exit 46 on Interstate 65 (I-65) in Maury County. The construction will last approximately three years, but the process started nearly two decades ago. The Tennessee Department of Transportation (TDOT) contracted with Sain Associates in 2002 to begin planning for modification of…
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