Section 1
SECTION. 1. To promote safe transit upon, and avoid obstructions cm, roads and streets designated as national roads by acts of the National Assembly or by executive orders of the President of the Philippines, the Director of Public Works, with the approval of the Secretary of Public Works and Communications, shall promulgate the necessary rules and regulations to regulate and control the use of and traffic on such roads and streets. Such rules and regulations, with the approval of the President, may contain provisions controlling or regulating the construction of buildings or other structures within a reasonable distance from and along national roads. Such roads may be temporarily, closed to any or all classes of traffic by the Director of Public Works or his duly authorized representative whenever the condition of the road or the traffic thereon makes such action necessary or advisable in the public interest, or for a specified period, with the approval of the Secretary of Public Works and Communications.