The draw of the Chatsworth Bridge, mile 4.8 at Franklin, shall open on signal from 5 a.m. to 9 p.m. if at least one hour notice is given. From October 1 through January 31 from 9 p.m. to 5 a.m., the draw shall be opened on signal if at least three hours notice is given. From February 1 through September 30 from 9 p.m. to 5 a.m., the draw shall open on signal if at least 12 hours notice is given. [USCG-2009-0670; 74 FR 66238, Dec. 15, 2009]