CHALLENGE In the spring of 2015, the Salem District of the Virginia Department of Transportation (VDOT) looked at replacing the signalized, three-way intersection of U.S. Route 460 Bypass and Southgate Drive in Blacksburg, Virginia. This intersection served as the primary access point for Virginia Tech with over 32,000 students, faculty, employees, and visitors traveling in and out of campus each day. As the heaviest-used entrance to Virginia Tech, the intersection was the site of frequent collisions and would significantly back up with traffic during special events such as football games, graduation, and student move-in days. In addition to Virginia Tech, the intersection was utilized by the Virginia Tech Montgomery Executive Airport, more than 180 businesses located in the Corp

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