16 GCA § 3405: Parking Signs.

The Chief of Police may place signs prohibiting or restricting the stopping, standing, or parking of vehicles on any highway in Guam where in his opinion such stopping, standing, or parking is dangerous to those using the highway or where the stopping, standing, or parking may unduly interfere with the free movement of traffic thereon or the access of the public to limited parking near office or commercial buildings. Such signs shall be official signs and no person shall stop, stand, or park any vehicle in violation of the restrictions stated on such signs.