"2012 Projects"(PDF). Eastern North Carolina NPO/RPO Coalition. October 2012. Archived from the original(PDF) on September 2, 2016. Retrieved August 16, 2016.
Staff (April 5, 2007). "Schedule Change Request, W-5007"(PDF). North Carolina Department of Transportation. Archived from the original(PDF) on February 7, 2012. Retrieved December 17, 2011.
Special Committee on U.S. Route Numbering (September 29, 2007). "Report for SCOH"(PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original(PDF) on October 16, 2017. Retrieved December 17, 2011.
Staff (April 5, 2007). "Schedule Change Request, W-5007"(PDF). North Carolina Department of Transportation. Archived from the original(PDF) on February 7, 2012. Retrieved December 17, 2011.
Special Committee on U.S. Route Numbering (September 29, 2007). "Report for SCOH"(PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived from the original(PDF) on October 16, 2017. Retrieved December 17, 2011.
"2012 Projects"(PDF). Eastern North Carolina NPO/RPO Coalition. October 2012. Archived from the original(PDF) on September 2, 2016. Retrieved August 16, 2016.