Section 47(2) in Tamil Nadu Combined Development and Building Rules, 2019
(2)When layout site abuts a National or State Highway or Bye Pass Road, a Service Road of having a minimum width of 7 m shall be provided which shall include 1m wide median having width of 0.5m to 1.0m and to a height of 0.30m to 0.45m separating the main road from the service road. There would not be any necessity to obtain an NoC from the National or State Highway authorities for any such layout development.
