NC 703: was born around 1930, running from its parent NC 70/US 170 (now US 29 corridor) Browns Summit northeast to NC 65 (current US 158) Locust Hill.
In 1935, NC 703 was extended west as new numbering to US 220 Summerfield.

NC 703 initial routing

NC 703 extended to Summerfield

In 1936, NC 703 was extended west and south to Kernersville, Winston Salem, and south all the was to US 29-52-70 at the Yadkin River. This extension replaced all of NC 771, and was new numbering below Winston Salem. At this point NC 703 was 86 miles long.

NC 771 west of Kernersville

NC 703 greatly expanded

NC 703 was renumbered as part of NC 150 about 1940. Today, NC 703 is still NC 150 from the Yadkin River to Forsyth County; Old Salisbury Rd to Winston-Salem, Acadia Ave, Broad St, Sprague St, Kernersville Rd to Kernersville; NC 150 from Kernersville to US 158 except it used Old Summerfield Rd through Summerfield instead of today's US 220-NC 150 duplex.

NC 703 replaced by NC 150