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NHAI sets uniform design norms for high-speed access-controlled highways | Today News

LiveMint1 source1 min readlast weekFiled September 21, 2026

National Highways Authority of India (NHAI)a new framework that seeks to bring consistency in DPR preparation, road geometry and safety provisions, while improving operational efficiency and reducing disruptions on high-speed corridorsa uniform design framework for high-speed access-controlled national highwaysadvance notification of highway exits and entries so that motorists have adequate time to anticipate and safely negotiate access and exit pointsconnectivity to major traffic-generating destinations (ports, airports, multimodal logistics parks, industrial areas and major tourist destinations) provided through interchangesconstruction of a 1-metre-high boundary wall along the outer edge of the corridor to prevent encroachments, unauthorized entry and stray cattle from entering the highwaycorridors carrying up to 15,000 vehicles will have a four-lane highway and four-lane structures, with a proposed corridor width of 60 metrescorridors with traffic between 15,000 and 25,000 vehicles will have four-lane highways and six-lane structures with a width of 70 metresfor traffic between 25,000 and 40,000 vehicles, a six-lane highway and six-lane structures within a 70-metre corridor widthguidelines for upcoming four- and six-lane access-controlled greenfield and brownfield national highways (excluding expressways)requiring interchanges and ramps at crossings with expressways, national highways, state highways and important arterial roads that generate substantial trafficthe expansion of India’s high-speed highway network and the government’s Viksit Bharat 2047 road map

NHAI sets uniform design norms for high-speed access-controlled highways | Today News

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