117.586—Annisquam River and Blynman Canal.
The draw of the Blynman (SR127) Bridge shall open on signal, except that, from noon to 6 p.m. on Thanksgiving Day, 6 p.m. on December 24 to midnight on December 25, and from 6 p.m. on December 31 to midnight on January 1, the draw shall open on signal if at least a two-hour advance notice is given by calling the number posted at the bridge.