North Carolina Department of Transportation (September 2015). Madison County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 15, 2016. Retrieved April 3, 2016.
North Carolina Department of Transportation (September 2015). Buncombe County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (September 2015). McDowell County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (September 2015). Burke County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
North Carolina Department of Transportation (November 2015). Catawba County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (February 2016). Iredell County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 15, 2016. Retrieved April 3, 2016.
North Carolina Department of Transportation (April 2015). Rowan County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (April 2015). Davidson County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 4, 2016.
North Carolina Department of Transportation (April 2016). Randolph County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (April 2015). Guilford County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (June 2015). Alamance County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 4, 2016.
North Carolina Department of Transportation (June 2015). Orange County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (February 2016). Durham County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (November 2015). Wake County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 4, 2016.
North Carolina Department of Transportation (November 2015). Johnston County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 1, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (November 2015). Wayne County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (February 2016). Lenoir County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 26, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (January 2016). Jones County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 5, 2016.
North Carolina Department of Transportation (January 2016). Craven County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 5, 2016.
North Carolina Department of Transportation (February 2016). Carteret County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 5, 2016.
North Carolina Department of Transportation (2015). North Carolina 2015–16 Official State Transportation Map(PDF) (Map) (2015–2016 ed.). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on September 6, 2015. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1944). North Carolina County Road Survey 1944(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1949). North Carolina County Road Survey 1949(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1953). North Carolina County Road Survey 1953(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 4, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1957). North Carolina County Road Survey 1957(PDF) (Map). North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission (1960). 1960 North Carolina Official Highway Map(PDF) (Map). Raleigh: North Carolina State Highway and Public Works Commission. Archived(PDF) from the original on March 5, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1962). North Carolina County Road Survey 1962(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on September 6, 2015. Retrieved April 1, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1968). North Carolina County Road Survey 1968(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved April 1, 2016.
North Carolina State Highway Commission (1970). 1970 North Carolina Official Highway Map(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved April 1, 2016.
North Carolina Department of Transportation (1990). 1990–1991 North Carolina Transportation Map(PDF) (Map) (1990–1991 ed.). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 6, 2016. Retrieved April 1, 2016.
North Carolina Department of Transportation (1999). 1999–2000 North Carolina Transportation Map(PDF) (Map) (1999–2000 ed.). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 17, 2016. Retrieved April 3, 2016.
"Route Change (1963-06-06)"(PDF). North Carolina Department of Transportation. June 6, 1963. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1967-03-09)"(PDF). North Carolina Department of Transportation. March 9, 1967. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1969-09-11)"(PDF). North Carolina Department of Transportation. September 11, 1969. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1970-12-03)"(PDF). North Carolina Department of Transportation. June 6, 1970. p. 3. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1972-02-03)"(PDF). North Carolina Department of Transportation. February 3, 1972. p. 5. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1972-09-07)"(PDF). North Carolina Department of Transportation. September 7, 1972. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1972-12-07)"(PDF). North Carolina Department of Transportation. December 7, 1972. p. 2. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1973-03-14)"(PDF). North Carolina Department of Transportation. March 14, 1973. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1978-03-01)"(PDF). North Carolina Department of Transportation. March 1, 1978. p. 1. Archived(PDF) from the original on February 7, 2017. Retrieved April 1, 2016.
"Route Change (1978-07-01)"(PDF). North Carolina Department of Transportation. July 1, 1978. p. 1. Archived(PDF) from the original on January 27, 2017. Retrieved April 1, 2016.
"Route Change (1979-02-01)"(PDF). North Carolina Department of Transportation. February 1, 1979. p. 1. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1981-03-01)"(PDF). North Carolina Department of Transportation. March 1, 1981. p. 4. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1981-05-01)"(PDF). North Carolina Department of Transportation. May 1, 1981. p. 3. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1981-06-01)"(PDF). North Carolina Department of Transportation. June 1, 1981. p. 3. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1981-02-01)"(PDF). North Carolina Department of Transportation. February 1, 1981. p. 1. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1982-01-01)"(PDF). North Carolina Department of Transportation. January 1, 1982. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1987-04-13)"(PDF). North Carolina Department of Transportation. April 13, 1987. p. 5. Archived(PDF) from the original on January 27, 2017. Retrieved April 1, 2016.
"Route Change (1989-11-06)"(PDF). North Carolina Department of Transportation. November 6, 1989. p. 1. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1990-01-10)"(PDF). North Carolina Department of Transportation. January 10, 1990. p. 3. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1991-01-18)"(PDF). North Carolina Department of Transportation. January 18, 1991. p. 6. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
"Route Change (1991-07-16)"(PDF). North Carolina Department of Transportation. July 16, 1991. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
"Route Change (1993-07-14)"(PDF). North Carolina Department of Transportation. July 14, 1993. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
"Route Change (1997-10-31)"(PDF). North Carolina Department of Transportation. October 31, 1997. p. 2. Archived(PDF) from the original on January 27, 2017. Retrieved April 3, 2016.
"Route Change (2008-06-20)"(PDF). North Carolina Department of Transportation. June 20, 2008. p. 2. Archived(PDF) from the original on December 30, 2016. Retrieved April 3, 2016.
"Route Change (2013-08-22)"(PDF). North Carolina Department of Transportation. August 22, 2013. Archived(PDF) from the original on December 30, 2016. Retrieved April 3, 2016.
"NC 150 Route Change (2012-03-01)"(PDF). North Carolina Department of Transportation. March 1, 2012. Archived(PDF) from the original on March 12, 2013. Retrieved May 26, 2013.
NC 150 Route Change (2012-01-04)(PDF) (Map). North Carolina Department of Transportation. January 4, 2012. Archived(PDF) from the original on December 29, 2012. Retrieved May 26, 2013.
"NCDOT: US 70 Corridor". North Carolina Department of Transportation. Archived from the original on April 6, 2016. Retrieved April 6, 2016.
North Carolina Department of Transportation (January 2016). US 70 Corridor - NCDOT Project Locations(PDF) (Map). North Carolina Department of Transportation. Archived(PDF) from the original on April 7, 2016. Retrieved April 6, 2016.
North Carolina State Highway Commission (1930). State Highway System of North Carolina(PDF) (Map) (September 1930 ed.). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on June 23, 2022. Retrieved March 22, 2016.
North Carolina State Highway Commission; North Carolina State Tax Commission; United States Bureau of Public Roads (1936). North Carolina County Road Survey 1936(PDF) (Map). Raleigh: North Carolina State Tax Commission. Archived(PDF) from the original on November 10, 2021. Retrieved March 31, 2016.
North Carolina Department of Transportation (1940). North Carolina Primary Highway System(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on November 10, 2021. Retrieved March 31, 2016.
Special Committee on U.S. Route Numbering (May 4, 2008). "Special Committee on US Route Numbering Decisions" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original(MHT) on October 16, 2017. Retrieved April 3, 2016.
Special Committee on U.S. Route Numbering (May 24, 2016). "Special Committee on U.S. Route Numbering"(PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 7. Archived from the original(PDF) on December 16, 2017. Retrieved May 26, 2016.
North Carolina State Highway Commission (1929). State Highway System of North Carolina (Map) (May 1929 ed.). Raleigh: North Carolina State Highway Commission. Archived from the original on April 20, 2016. Retrieved April 6, 2016.
North Carolina State Highway Commission (1933). State Highway System of North Carolina (Map). Raleigh: North Carolina State Highway Commission. Archived from the original on April 20, 2016. Retrieved April 6, 2016.
North Carolina Department of Transportation (September 2015). Madison County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 15, 2016. Retrieved April 3, 2016.
North Carolina Department of Transportation (September 2015). Buncombe County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (September 2015). McDowell County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (September 2015). Burke County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
North Carolina Department of Transportation (November 2015). Catawba County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (February 2016). Iredell County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 15, 2016. Retrieved April 3, 2016.
North Carolina Department of Transportation (April 2015). Rowan County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 3, 2016.
North Carolina Department of Transportation (April 2015). Davidson County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 4, 2016.
North Carolina Department of Transportation (April 2016). Randolph County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (April 2015). Guilford County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (June 2015). Alamance County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 4, 2016.
North Carolina Department of Transportation (June 2015). Orange County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (February 2016). Durham County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (November 2015). Wake County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 20, 2015. Retrieved April 4, 2016.
North Carolina Department of Transportation (November 2015). Johnston County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 1, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (November 2015). Wayne County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (February 2016). Lenoir County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 26, 2016. Retrieved April 4, 2016.
North Carolina Department of Transportation (January 2016). Jones County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 5, 2016.
North Carolina Department of Transportation (January 2016). Craven County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on December 24, 2015. Retrieved April 5, 2016.
North Carolina Department of Transportation (February 2016). Carteret County, North Carolina(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on April 16, 2016. Retrieved April 5, 2016.
North Carolina State Highway Commission (1930). State Highway System of North Carolina(PDF) (Map) (September 1930 ed.). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on June 23, 2022. Retrieved March 22, 2016.
North Carolina Department of Transportation (2015). North Carolina 2015–16 Official State Transportation Map(PDF) (Map) (2015–2016 ed.). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on September 6, 2015. Retrieved March 31, 2016.
North Carolina State Highway Commission (1929). State Highway System of North Carolina (Map) (May 1929 ed.). Raleigh: North Carolina State Highway Commission. Archived from the original on April 20, 2016. Retrieved April 6, 2016.
North Carolina State Highway Commission (1933). State Highway System of North Carolina (Map). Raleigh: North Carolina State Highway Commission. Archived from the original on April 20, 2016. Retrieved April 6, 2016.
North Carolina State Highway Commission; North Carolina State Tax Commission; United States Bureau of Public Roads (1936). North Carolina County Road Survey 1936(PDF) (Map). Raleigh: North Carolina State Tax Commission. Archived(PDF) from the original on November 10, 2021. Retrieved March 31, 2016.
North Carolina Department of Transportation (1940). North Carolina Primary Highway System(PDF) (Map). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on November 10, 2021. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1944). North Carolina County Road Survey 1944(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1949). North Carolina County Road Survey 1949(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1953). North Carolina County Road Survey 1953(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 4, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1957). North Carolina County Road Survey 1957(PDF) (Map). North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission (1960). 1960 North Carolina Official Highway Map(PDF) (Map). Raleigh: North Carolina State Highway and Public Works Commission. Archived(PDF) from the original on March 5, 2016. Retrieved March 31, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1962). North Carolina County Road Survey 1962(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on September 6, 2015. Retrieved April 1, 2016.
"Route Change (1963-06-06)"(PDF). North Carolina Department of Transportation. June 6, 1963. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1967-03-09)"(PDF). North Carolina Department of Transportation. March 9, 1967. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
North Carolina State Highway Commission; United States Bureau of Public Roads (1968). North Carolina County Road Survey 1968(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved April 1, 2016.
"Route Change (1969-09-11)"(PDF). North Carolina Department of Transportation. September 11, 1969. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1970-12-03)"(PDF). North Carolina Department of Transportation. June 6, 1970. p. 3. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
North Carolina State Highway Commission (1970). 1970 North Carolina Official Highway Map(PDF) (Map). Raleigh: North Carolina State Highway Commission. Archived(PDF) from the original on March 6, 2016. Retrieved April 1, 2016.
"Route Change (1972-02-03)"(PDF). North Carolina Department of Transportation. February 3, 1972. p. 5. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1972-09-07)"(PDF). North Carolina Department of Transportation. September 7, 1972. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1972-12-07)"(PDF). North Carolina Department of Transportation. December 7, 1972. p. 2. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1973-03-14)"(PDF). North Carolina Department of Transportation. March 14, 1973. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1978-03-01)"(PDF). North Carolina Department of Transportation. March 1, 1978. p. 1. Archived(PDF) from the original on February 7, 2017. Retrieved April 1, 2016.
"Route Change (1978-07-01)"(PDF). North Carolina Department of Transportation. July 1, 1978. p. 1. Archived(PDF) from the original on January 27, 2017. Retrieved April 1, 2016.
"Route Change (1979-02-01)"(PDF). North Carolina Department of Transportation. February 1, 1979. p. 1. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1981-03-01)"(PDF). North Carolina Department of Transportation. March 1, 1981. p. 4. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1981-05-01)"(PDF). North Carolina Department of Transportation. May 1, 1981. p. 3. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1981-06-01)"(PDF). North Carolina Department of Transportation. June 1, 1981. p. 3. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1981-02-01)"(PDF). North Carolina Department of Transportation. February 1, 1981. p. 1. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1982-01-01)"(PDF). North Carolina Department of Transportation. January 1, 1982. Archived(PDF) from the original on March 4, 2016. Retrieved April 1, 2016.
"Route Change (1987-04-13)"(PDF). North Carolina Department of Transportation. April 13, 1987. p. 5. Archived(PDF) from the original on January 27, 2017. Retrieved April 1, 2016.
"Route Change (1989-11-06)"(PDF). North Carolina Department of Transportation. November 6, 1989. p. 1. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
"Route Change (1990-01-10)"(PDF). North Carolina Department of Transportation. January 10, 1990. p. 3. Archived(PDF) from the original on December 30, 2016. Retrieved April 1, 2016.
North Carolina Department of Transportation (1990). 1990–1991 North Carolina Transportation Map(PDF) (Map) (1990–1991 ed.). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 6, 2016. Retrieved April 1, 2016.
"Route Change (1991-01-18)"(PDF). North Carolina Department of Transportation. January 18, 1991. p. 6. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
"Route Change (1991-07-16)"(PDF). North Carolina Department of Transportation. July 16, 1991. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
"Route Change (1993-07-14)"(PDF). North Carolina Department of Transportation. July 14, 1993. p. 2. Archived(PDF) from the original on March 4, 2016. Retrieved April 3, 2016.
"Route Change (1997-10-31)"(PDF). North Carolina Department of Transportation. October 31, 1997. p. 2. Archived(PDF) from the original on January 27, 2017. Retrieved April 3, 2016.
North Carolina Department of Transportation (1999). 1999–2000 North Carolina Transportation Map(PDF) (Map) (1999–2000 ed.). Raleigh: North Carolina Department of Transportation. Archived(PDF) from the original on March 17, 2016. Retrieved April 3, 2016.
"US 70 Clayton Bypass". North Carolina Department of Transportation. Archived from the original on February 22, 2012. Retrieved April 3, 2016.
"Route Change (2008-06-20)"(PDF). North Carolina Department of Transportation. June 20, 2008. p. 2. Archived(PDF) from the original on December 30, 2016. Retrieved April 3, 2016.
Special Committee on U.S. Route Numbering (May 4, 2008). "Special Committee on US Route Numbering Decisions" (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original(MHT) on October 16, 2017. Retrieved April 3, 2016.
"Route Change (2013-08-22)"(PDF). North Carolina Department of Transportation. August 22, 2013. Archived(PDF) from the original on December 30, 2016. Retrieved April 3, 2016.
Special Committee on U.S. Route Numbering (May 24, 2016). "Special Committee on U.S. Route Numbering"(PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. p. 7. Archived from the original(PDF) on December 16, 2017. Retrieved May 26, 2016.
"NCDOT: US 70 Corridor". North Carolina Department of Transportation. Archived from the original on April 6, 2016. Retrieved April 6, 2016.
North Carolina Department of Transportation (January 2016). US 70 Corridor - NCDOT Project Locations(PDF) (Map). North Carolina Department of Transportation. Archived(PDF) from the original on April 7, 2016. Retrieved April 6, 2016.
"NC 150 Route Change (2012-03-01)"(PDF). North Carolina Department of Transportation. March 1, 2012. Archived(PDF) from the original on March 12, 2013. Retrieved May 26, 2013.
NC 150 Route Change (2012-01-04)(PDF) (Map). North Carolina Department of Transportation. January 4, 2012. Archived(PDF) from the original on December 29, 2012. Retrieved May 26, 2013.