Notwithstanding the provisions of Section 56-5-4700, any Department of Transportation vehicle may use oscillating, rotating or flashing red lights during any emergency. The Department of Transportation personnel shall determine when an emergency exists.
Use of oscillating, rotating or flashing red lights on Department of Transportation vehicles
S.C. Code Ann. § 56-5-4720, under Title 56, Chapter 5.
S.C. Code Ann. § 56-5-4720