Section 117.747 - Raritan River(a) The draw of New Jersey Transit Rail Operations Railroad Bridge at mile 0.5 shall open on signal; except that, from 6 a.m. to 9:30 a.m. and 4:30 p.m. to 7:30 p.m., Monday through Friday, except holidays, the bridge need not open.(b) The bridge owner shall provide and keep in good legible condition two clearance gauges with figures not less than 12 inches high designed, installed and maintained according to the provisions of § 118.160 of this chapter.(c) Trains and locomotives shall be controlled so that any delay in opening the draw span shall not exceed ten minutes. However, if a train moving toward the bridge has crossed the home signal for the bridge before the signal requesting opening of the bridge is given, the train may continue across the bridge and must clear the bridge interlocks before the bridge may be opened.USCG-2009-0202, 74 FR 49325 , Sept. 28, 2009