<P> I - 40 merges with I - 85 east of Greensboro ending the I - 85 concurrency . I - 40 and I - 85 have a 31 miles (50 km) concurrency through Guilford, Alamance, and Orange Counties . The concurrency section uses I - 85 exit numbers instead of I - 40 exit numbers . The section goes south of Elon, Burlington, Graham, and Mebane . Interstate 40 breaks ways from Interstate 85 at exit 163, south of Hillsborough . </P> <P> After I - 40 breaks away from I - 85 it heads in a very southeasterly direction towards Chapel Hill . I - 40 parallels NC 86 until NC 86 crosses I - 40 at exit 266 . I - 40 is routed along northern Chapel Hill and then through southern Durham . I - 40 enters the Research Triangle Park after an interchange with NC 147 . The Interstate varies in width, from four - lane to eight - lane depending on the location . It serves as a major route between Raleigh, Cary and Durham (the other being US 70). After leaving the Research Triangle area Interstate 40 has an interchange with Interstate 540 near the Raleigh - Durham International Airport . Several Interstate 40 exits serve Raleigh - Durham including, Aviation Parkway, Airport Blvd, and Interstate 540 . I - 40 continues to head southeast towards Downtown Raleigh . Interstate 40 is routed north of Cary and south of Umstead State Park . At Wade Avenue Interstate 40 bears right to head south . US 1, US 64, Interstate 440, and I - 40 . I - 40 then runs a concurrency with US 64 along the south side of Raleigh before merging to the right to head toward Benson . </P> <P> Interstate 40 heads in a very southern direction until the interchange with Interstate 95 . Within 5 miles from Raleigh, Interstate 40 has another concurrency with US 70 . US 70 follows I - 40 until the Clayton Bypass (exit 309). Interstate 40 continues south with exits at NC 42, NC 210, and NC 242 . Interstate 40 then has an interchange with Interstate 95 near Benson, North Carolina . Interstate 40 then runs south towards Clinton and Warsaw . Starting near Faison Interstate 40 runs parallel with US 117 and this continues through the rest of the route . Most of the surrounding area of I - 40 in Eastern North Carolina are rural so traffic is somewhat down on this section of I - 40 . A rest area exists off NC 24 in Warsaw . The median of I - 40 widens to put the rest area between the eastbound and westbound lanes . I - 40 passes the Duplin Winery in Duplin County . As Interstate 40 nears Wilmington it passes Burgaw and then crosses the NE Cape Fear River . Interstate 40 has an interchange with Interstate 140 . As I - 40 nears its terminus the speed limit is set down to 55, instead of 70 which is in place from Garner on . Exit 420 is the last exit on I - 40 before its terminus on US 117 / NC 132 </P> <P> The freeway bears several names in addition to the I - 40 designation . Throughout the state the freeway is known as the Blue Star Memorial Highway a name shared with multiple interstates across the state . From the Guilford - Alamance county line to one mile east of NC 54, in Graham, I - 40 / I - 85 is known as the Sam Hunt Freeway . The freeway is known as the Harriet Morehead Berry Freeway through Orange County named for a leader in the good roads movement in North Carolina . Between US 15 / US 501 in Chapel Hill to NC 147 in Durham, I - 40 is known as the John Motley Morehead, III Freeway who was a noted philanthropist and graduate from the University of North Carolina Chapel Hill . I - 40 is the Dan K. Moore Freeway from Research Triangle Park to the Tom Bradshaw Freeway . The section is named after Dan K. Moore who was the 66th Governor of North Carolina . From the Wade Avenue Extension to US 70 in Garner the freeway is known as the Tom Bradshaw Freeway, named after the 33rd Mayor of Raleigh . I - 40 is the James Harrington Freeway from US 70 to I - 95 . In Johnston, south of I - 95, and Sampson counties, I - 40 is dedicated to Robert D. Warren, Sr., who was a former State Director of Driver's Licenses and State Senator from the area . In Duplin County a section of I - 40 6.95 north of NC 24 west of Warsaw to 6.95 south of NC 24 is known as the Henry L. Stevens, Jr . Highway, who was a commander of the American Legion and a Superior Court judge . From the Pender County - New Hanover County line to the eastern terminus of I - 40, the freeway is known as the Michael Jordan Highway, named after the famous basketball player who grew up in Wilmington and was a graduate of the University of North Carolina - Chapel Hill . Interstate 40 has also been given the name Tobacco Road by college sports fans, because the freeway links up the four North Carolina schools in the ACC . </P>

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