NHAI has signed a memorandum of understanding (MoU) with the Indian Space Research Organisation (ISRO) for satellite mapping of highways.

In June 2022, the NHAI created a Guinness World record by building 75 km of highway between Amravati and Akola in Maharashtra in a span of just 5 days.

[9] The Golden Quadrilateral is a highway network connecting many of the major industrial, agricultural and cultural centres of India.

[11] The North–South and East–West Corridor is part of the second phase of the National Highways Development Project (NHDP) and consists of building 7,142 kilometres (4,438 mi) of four/six lane expressways connecting Srinagar in the north and Kanyakumari and Kochi in the south, Porbandar in the west and Silchar in the east, at a cost of US$12.317 billion (at 1999 prices).

Roadside plantations have immense potential to enhance the green cover of the nation and generate employment opportunities for the rural community.

[13] A 2012 report prepared by the World Bank's Institutional Integrity Unit alleged that fraudulent and corrupt practices were being followed by Indian contractors working on national highway projects funded by it, and sought a thorough investigation into the matter.

[14] The report also alleged that contractors paid bribes and gifts, including gold coins, to "influence the actions" of officials and consultants of the National Highways Authority of India.