Highway authority to regulate traffic when highway declared unsafe :- |

If atany time it appears to the Highway Authority that any Highway In fts charge or any portion thereof is or has been rendered unsafe for vehicular or pedestrian - traffic by reason of damage or otherwise, it may, subject to such Rules as may be ] prescribed in this behalf, either close the highway or the portion of It to all traffic or to any class of traffic, or regulate the number and speed or welght of vehicles using the | highway. : i 51, Prohibition of use of heavy vehicles on certain highways i+ Where the Highway Authority is satisfied that any highway or a portion thereof, orany bridge, culvert or causeway built on or across any highway, ls not designed to carry vehicles of which the laden weight exceads such limit as may be fixed in this behalf, it may, subject to such rules as may be prescribad In that behalf, prohibit or restrict the plying of such vehicles on or over such highway of such part of the highway or such bridge, culvert or causeway.