NHAI Mandates One-Metre Boundary Walls on High-Speed Corridors
· India · The Hindu, Times of India
The National Highways Authority of India has prescribed a one-metre high wall along the outer edge of all upcoming four to six-lane greenfield and brownfield high-speed access-controlled national highways to prevent stray cattle intrusions. The guidelines, marking the NHAI's first standardization for such corridors, apply to the current 3,052 km operational length of access-controlled high-speed roads. The framework prohibits openings in median walls while permitting collapsible barriers every 5 km for emergency vehicles, alongside jersey barriers for traffic separation. Additional safety mandates include metal crash barriers on bridges, tunnels, and overpasses, as well as crash cushions at road merging points. The policy also introduces detailed signage requirements, including advance direction signs placed at 5 km, 2 km, 1 km, and 500 metres before exits.
Why it matters
The standardized guidelines aim to significantly reduce highway fatalities caused by stray animal intrusions and vehicular collisions across national transit networks.
Read the original report — The Hindu
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