NHAI flags improper crash barriers, tightens highway safety standards
NHAI has also specified E350-grade steel conforming to IS 2062 (Part 1):2025. Posts, spacers and fasteners must be hot-dip galvanised Source link
NHAI has also specified E350-grade steel conforming to IS 2062 (Part 1):2025. Posts, spacers and fasteners must be hot-dip galvanised
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