South Carolina Code of Regulations
Chapter 63 - DEPARTMENT OF HIGHWAYS AND PUBLIC TRANSPORTATION
Article 4 - ENGINEERING
Subarticle 3 - HIGHWAY ADVERTISING CONTROL ACT
Section 63-354 - Off-premise Changeable Message Signs
Current through Register Vol. 48, No. 9, September 27, 2024
A. Changeable message signs shall not contain or display flashing, intermittent or moving lights.
B. Changeable message signs shall conform with size requirements as described in Regulation Section 63-345.
C. Changeable message signs shall be spaced 500 feet apart on the same side of the highway.
D. Only conforming sign structures may be modified to changeable message signs upon compliance with changeable message sign standards and approval of the Department. Nonconforming sign structures shall not be modified to changeable message signs.
E. Each message displayed shall remain fixed for at least six seconds.
F. When a message is changed, it shall be accomplished within an interval of two seconds or less.
G. Changeable message signs may only be constructed as a single face and V-shape structures. Changeable message signs shall not be side by side or stacked.
H. If a conforming sign is to be revised to a changeable message sign, an application shall be submitted noting the sign is to become a changeable message signs and requesting approval for this change.
I. Brilliancy and light intensity shall remain the same throughout the display period.