(a) General. Public vessels of the United States and tugs with tows must, upon proper signal, be passed through the drawspan of each drawbridge in this section at anytime.

(b) [Reserved]

(c) Skidaway Bridge, SR 204, mile 592.9 near Savannah. The draw will open as necessary on the hour from 7 a.m. to 9 a.m. (7, 8, and 9 a.m.) and on the half-hour between 4:30 p.m. to 6.30 p.m. (4:30, 5:30, and 6:30 p.m.), daily; Monday through Friday except Federal holidays. The draw shall open at any time for Public vessels of the United States, tugs with tows, and vessels in distress. At all other times, the draw will open on signal.