Patna, Sept. 25 -- The Cabinet Committee on Economic Affairs has cleared the construction of a four-lane section of National Highway-139W from Sahebganj to Areraj and Bettiah in Bihar.

The project will be developed on the Hybrid Annuity Mode (HAM) with a total length of 78.942 km and an estimated capital cost of Rs 3,822.31 crore.

The committee stated that the new greenfield corridor will improve connectivity between Patna and Bettiah while linking key districts in North Bihar, including Vaishali, Saran, Siwan, Gopalganj, Muzaffarpur, East Champaran and West Champaran.

It is also expected to strengthen trade links with areas along the Indo-Nepal border.

The project is designed to facilitate the movement of long-distance freight, enhan...