sentences:  North Carolina Highway 109 Business (NC 109 Bus) was established in 1960 as a rebannering of NC 109A through downtown Troy; has changed little since.North Carolina Highway 109 Alaternate (NC 109A) was established in 1936 as a new alternate routing of NC 109 along Fisher Ferry Road and Main Street.North Carolina Highway 109 Business (NC 109 Bus) was established in 1960 as a rebannering of mainline NC 109A.