sentences:  In or around 1992, the final gap of I-40 was completed when it was designated along existing I-85, from Greensboro to west of Hillsborough.In November, the Winston-Salem Bypass was completed and opened; featuring mostly new construction, with a short overlap of existing US 311 freeway.The former alignment, featuring the first sections of I-40 completed in the state, was designated as I-40 Business, with a complete concurrency with US 421.