1. Challenge in all these writ petitions is to the Notification issued by the 1st respondent under Section 15(1) of the Tamil Nadu Highways Act, 2001 (hereinafter called as "the Act"] acquiring the lands belonging to the petitioner for constructing truck lay byes as a part of development of Chennai Outer Ring Road Phase-I along the periphery of Chennai Metropolitan Area in Kancheepuram and Tiruvallur District as proposed by the Chennai Metropolitan Development Authority.

2. The common case of the petitioners in all these writ petition, in brief, is as follows:- The petitioners are the owners of the respective lands referred to above which are situated at Thookkanampattu Village, Poonamallee Taluk, Tiruvallur District. The Chennai Metropolitan Development Authority [in short, "the CMDA"] as a part of its Second Master Plan has proposed to develop the Outer Ring Road [ORR] along the periphery of Chennai Metropolitan Area in Kancheepuram and Tiruvallur District of Tamil Nadu. The Outer Ring Road connects NH-45 (GST Road) at Vandalur and NH-4 (GWT Road) at Nazarathpet and NH-205 at Nemilichery. The above said outer ring road intersects 5 major roads namely, NH45, NH-4,