India, Sept. 22 -- State-owned NHAI on Monday said the lane configuration of high-speed national highways will be standardised based on detailed traffic assessment to facilitate seamless movement, as the authority released new comprehensive guidelines for design and development of access-controlled high-speed NHs.

The authority released new comprehensive guidelines that seek to bring uniformity in standards for preparation of Detailed Project Reports (DPRs) of high-speed NH corridors and bring greater consistency in technical standards, strengthen road safety, and improve operational efficiency across the National Highway network, an official statement said.

The guidelines will apply to all upcoming 4/6 lane Greenfield and Brownfield hi...