N.C. Gen. Stat. § 20-218.2: Speed limit for nonprofit activity buses.

It is unlawful to drive an activity bus that is owned by a nonprofit organization and is transporting persons in connection with nonprofit activities over the highways or public vehicular areas of North Carolina at a greater rate of speed than 55 miles per hour. A person who violates this section commits a Class 3 misdemeanor. (1969, c. 1000, s. 2; 1987, c. 337, s. 2; 1993 (Reg. Sess., 1994), c. 761, s. 23.)