[Code of Federal Regulations] [Title 43, Volume 1] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR421.5] [Page 588] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER I--BUREAU OF RECLAMATION, DEPARTMENT OF THE INTERIOR PART 421--RULES OF CONDUCT AT HOOVER DAM--Table of Contents Sec. 421.5 Vehicular and pedestrian traffic. (a) Vehicle operators shall drive in a careful and safe manner at all times and shall comply with the signals and directions of uniformed police officers and all posted traffic signs. (b) Vehicles shall not block entrances, driveways, walks, loading platforms, or fire hydrants. (c) Vehicles shall not be parked in unauthorized locations, in locations reserved for specific uses, continuously in excess of 25 hours without permission, or contrary to the direction of posted signs (see 43 CFR 421.12), or contrary to the direction of uniformed police officers. (d) Pedestrians shall use the walkways on the dam and designated crosswalks, and shall not walk in the vehicle lanes. This paragraph may be supplemented from time to time by the issuance and posting of specific traffic directives as may be required and when so issued and posted such directives shall have the same force and effect as if made a part hereof.