NC 291: Appeared in 1930 as new primary routing, from NC 29 (now NC 7) Lowell south the very short distance to US 74/NC 20.
It is unclear if NC 291 was renumbered when NC 29 became NC 7 in 1932 (some 70x numbers were available).
NC 291 is shown but not labeled on official maps 1931-35.
Today NC 291 is Groves St.

NC 291 appears

NC 291 shown but not labeled on Official Maps