If the Highway Administration is satisfied that it is necessary in the interest of public safety or convenience, or because of the nature of any road or bridge so to do, it may, by notification in the Official Gazette, prohibit or restrict, subject to such exceptions or conditions as may be specified in the notification, the use of any Highway or part thereof by a class or classes of traffic either generally or on specified occasion or time as specified in the notification and when such prohibition or restriction is imposed, the Highway Administration shall cause such traffic signs to be placed or erected at suitable places for the convenience of the traffic as may be prescribed:
Provided that where any prohibition or restriction under this section is to be remained for a period of one month or less, such prohibition or restriction may be imposed without issuing notification in the Official Gazette:
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Provided further that the prohibition or restriction imposed under the first proviso shall be published widely for the knowledge of the users by other possible means.