(a) The draw of the Norfolk Southern Railroad Bridge, mile 8.0 at Laurel, will open on signal if at least 4 hours notice is given.
(b) The draws of the Poplar Street Bridge, mile 8.2, and the U.S. 13A Bridge, mile 8.25, both at Laurel, need not open for the passage of vessels. [CGD05-06-044, 71 FR 53325, Sept. 11, 2006, as amended by USCG-2013-0778, 79 FR 15688, Mar. 21, 2014; USCG-2014-0410, 79 FR 38433, July 7, 2014]