143 (Jefferson Avenue), where SR 32 has its northern terminus. US 17 turns north onto Jefferson Avenue while US 258 continues east on Mercury Boulevard into the city of Hampton. At Newmarket Drive south of the former Newmarket North Mall, the U.S. Highway expands to eight lanes and passes through a heavily commercialized area. East of SR 415 (Power Plant Parkway), US 258 meets Interstate 64 at an interchange featuring a pair of flyover ramps. The U.S. Highway heads east from the Interstate concurrent with SR 134 as the highway passes between Peninsula Town Center to the north and the Hampton Coliseum to the south. At the eastern end of the heavily commercialized area, US 258 has intersections with the eastern end of SR 152 (Cunningham Drive) and Armistead Avenue, which heads south as SR 134. US 258 crosses Newmarket Creek just west of the highway's partial cloverleaf interchange with La Salle Avenue. The U.S. Highway reduces to six lanes at its diamond interchange with SR 278 (King Street), which serves Langley Air Force Base. US 258 becomes four lanes at its northern intersection with SR 169, which heads north as Fox Hill Road. The U.S. Highway crosses the Hampton River and curves south toward its terminus. US 258 intersects SR 351 (Pembroke Avenue) and Woodland Avenue, which leads to I-64 and downtown Hampton and where the highway reduces to a four-lane undivided street. The U.S. Highway has another junction with SR 169 (Mallory Street) in the Phoebus neighborhood of Hampton. At the east edge of Phoebus, US 258 crosses the Mill Creek estuary on a causeway and reaches its northern terminus at an intersection with the southern terminus of SR 143 (Ingalls Road) at the entrance to Fort Monroe. Ingalls Road continues south onto the former military base at Old Point Comfort that was decommissioned in September 2011. History North Carolina Highway 485 Major intersections Special routes Kinston business route U.S. Route 258 Business (US 258 Business) is a business route of US 258 through Kinston, North Carolina. The highway runs entirely concurrent with US 70 Business from US 258, US 70, and NC 58 on the south side of Kinston to US 70 and US 258 on the west side of Kinston. US 258 Business and US 70 Business run concurrently with NC 58 across the Neuse River into downtown Kinston, in the center of which the highways