NH-22 Muzaffarpur–Sitamarhi–Sonbarsa four-laning in Bihar: project details released
The 82.57-km section to the India–Nepal border will be widened to four lanes under the hybrid annuity mode, with a design speed of 100 km/h and no at-grade median openings. Works include seven major bridges, among them a 340-m bridge over the Bagmati, three railway overbridges and two flyovers. The Cabinet approval was in August 2026, and the ministry released the project details on 13 October.
Roads Bridges Bihar Rs 3,590.73 cr
Why it matters: Muzaffarpur–Sonbarsa travel time is expected to fall from about 2 hours to 1, and freight access to the Bhithamore land port improves.
Official sources
- Press Information Bureau, Ministry of Road Transport and Highways, release 2322801, 13 Oct 2026
- Cabinet briefing document (PIB), 19 Aug 2026
Summary written by Indiacon in our own words from the official sources above. Found an error? Write to indiacongroupofengineers [at] gmail [dot] com.