law: 207. Power to prohibit or regulate use of public streets for certain kind of traffic.
  (1) The Chairperson may
  (a) prohibit or regulate vehicular traffic in any public street or any portion thereof so as to prevent danger, obstruction or inconvenience to the public or to ensure decongestion or smooth flow or quietness in any locality;
  (b) prohibit or regulate in respect of all public streets, or any particular public street, the transit of any vehicle of such form, construction weight or size or laden with such heavy or unwieldly objects as may be likely to cause injury to the road-ways or any construction thereon, except under such conditions as to time, mode of traction or locomotion, use of appliances for the protection of roadways, number of lights and assistants and other general precautions and upon the payment of such charges as may be specified by the Chairperson generally or specially in each case; and
  (c) prohibit or regulate access to premises from any particular public street carrying high speed vehicular traffic:
  Provided that the Chairperson shall not take action without sanction of the Council in cases under clauses (a) and (c).
  (2) Notices of such prohibition as are imposed under sub-section (1) shall be posted in conspicuous places at or near both ends of public streets or portions thereof to which they relate, unless such prohibition applies generally to all public streets.