The Indian Government is set to upgrade 3,700km of national highways under the National Highways Interconnectivity Improvement Project.

The project will cost INR200bn ($1.3bn) and will involve the double-laning of single-lane highways in eight states over the next three years, according to

The Indian Ministry of Road Transport and Highways is expected to carry out work on the project, for which 33 stretches of road have been identified.

A government official said the World Bank will finance 80% of the project while the Indian Government will provide the rest.

The project is intended to help the government achieve its target of constructing 20km of road every day.