State Route 373
State Route 373 (SR 373) is a 17.1-mile-long (27.5 km) east-west state highway in southern Middle Tennessee. It connects the community of Culleoka with the cities of Lewisburg and Columbia, along with I-65. SR 373 begins in Maury County at an intersection with SR 50 a few miles southeast of Columbia. It heads south as Culleoka Highway through farmland as a two-lane highway to pass through Culleoka, where it makes a sharp turn to the east. The highway winds its way east through more hilly terrain for a few miles to cross into Marshall County. SR 373 winds its way through rural hilly countryside for several more miles as Mooresville Highway, where it has an interchange with I-65 (Exit 32) and widens to a four-lane undivided highway, before entering Lewisburg at an intersection with SR 417 (W Ellington Parkway). The highway becomes W Commerce Street and passes through neighborhoods for several miles before entering downtown. SR 373 then comes to an end at the courthouse square at an intersection with US 31A Business/US 431 Business/SR 11/SR 50 (2nd Avenue/E Commerce Street).
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