Section 3(1) in The Punjab Scheduled Roads and Controlled Areas Restriction of Unregulated Development Rules, 1965
(1)The Director shall, as soon as may be, cause a survey of all scheduled roads including bye-passes thereof to be carried out and prepare a liner map on a scale of 200 feet to 1 inch indicating all such buildings, excavations and means of access to the aforesaid road and bye- passes which were in existence immediately before the commencement of the Act and which lie within 100 meters on either side of the road reservation in the case of bye-pass and within 30 meters on either side of the road reservation in the case of a schedule road.
