4.270 Signals.

The opening signals for these bridges are: 8th Street – one prolonged blast followed by one short blast; 10th Street – two short blasts followed by one prolonged blast. When signal is given by car ferry or other large vessel to pass either of the two bridges, the remaining bridges shall open promptly so that such vessels shall not be held between the two bridges.

The schedule of operations and signal for the Soo Line Railway Bridge, while not a part of this section, are inserted herein for reference purposes. Those regulations are as follows:

(1) From April 1 through October 31 between the hours of 10:30 p.m. and 4:30 a.m., the draws shall open on signal if at least a 6 hour advance notice is given.

(2) From November 1 through March 31 the draw shall open on signal if at least a 12 hour advance notice is given.

(3) Opening signal for this bridge is two short blasts followed by one prolonged blast.

[Prior code § 4.27]