SC 803: Appeared in 1942 as new primary routing. Ran from SC 285 (now US 21 Business) south on Meridian Rd to today's S-7-708 (just short of the US 21 Bypass) Gibbs Island. Note that US 21's south end in 1942 was 0.2 miles west on SC 285 from SC 803.
In 1947, SC 803 was downgraded to S-7-36.
