TDOT plans to construct a new interchange at Interstate 65 and a proposed extension of Buckner Road in Williamson County. The Buckner Road extension will connect Buckner Lane and Lewisburg Pike (US 41/SR 106) and intersect with I-65 in a Diverging Diamond Interchange, or DDI. The unique crisscross design of the DDI will allow two directions of traffic to temporarily cross to opposite sides of the roadway in order to travel across the overpass, and then cross back and resume the original travel pattern. The DDI uses concrete dividers, stop bars, traffic signals, and extensive signage to guide motorists through the interchange.


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