A "freeway" is a multilane divided highway with full control of access, and grade separated interchanges, of the type comprising the National System of Interstate and Defense Highways, or other highways built essentially in conformance to the standards of them.
S.C. Code Ann. § 56-5-615
Freeway defined
Known as the Uniform Act
The act spans §§ 56–56 (418 sections).
1993 Act No. 98, SECTION 1.
Official source: South Carolina Legislature. Reproduced from public-domain South Carolina statutes; confirm against the official source for the current text. Not legal advice.