[Code of Federal Regulations] [Title 33, Volume 1] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR117.55] [Page 548] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 117_DRAWBRIDGE OPERATION REGULATIONS--Table of Contents Subpart B_Specific Requirements Sec. 117.55 Posting of requirements. (a) The owner of each drawbridge under this subpart, other than removable span bridges, shall ensure that a sign summarizing the requirements in this subpart applicable to the bridge is posted both upstream and downstream of the bridge. The requirements to be posted need not include those in Subpart A or Sec. Sec. 117.51 through 117.99. (b) The signs shall be of sufficient size and so located as to be easily read at any time from an approaching vessel. (c) If advance notice is required to open the draw, the signs shall also state the name, address, and telephone number of the person to be notified.