sentences:  NCDOT conducted a project study to improve the safety of NC 109 between Thomasville and Winston-Salem in 2012.Various improvements were identified, including the use of the Superstreet concept.North Carolina Highway 109 Business (NC 109 Bus) was established between 1963-1968 as a renumbering of NC 109, via Allenton Street (overlapped with NC 731) and Main Street (overlapped with NC 73).