Union Cabinet Approves 4-Lane Upgrade of Muzaffarpur-Sitamarhi-Sonbarsa Section of NH-22 in Bihar

What Happened?

On 19 August 2026, the Union Cabinet Committee on Economic Affairs (CCEA) approved the upgradation of the Muzaffarpur-Sitamarhi-Sonbarsa section of National Highway-22 (NH-22) in Bihar to 4-lane standard, to be implemented on Hybrid Annuity Mode (HAM), at a total capital cost of Rs 3,590.73 crore.

Key Highlights

• Route: Muzaffarpur-Sitamarhi-Sonbarsa section of NH-22, Bihar.
• Upgraded to 4-lane standard.
• Implementation mode: Hybrid Annuity Mode (HAM).
• Total capital cost: Rs 3,590.73 crore.

Why It Matters

The project will improve connectivity in north Bihar and forms part of the government's continuing highway expansion programme under the Ministry of Road Transport and Highways, supporting trade, mobility and regional development.

Static GK Connection

Hybrid Annuity Mode (HAM) is a public-private partnership model in which the government funds about 40% of the project cost during construction and the remaining 60% is paid to the developer as annuity payments over the operations period, sharing risk between the government and private developer.

TNPSC Relevance

Useful for national infrastructure and Union Cabinet decisions covered in TNPSC current affairs, and for understanding highway funding models like HAM.

Exam Notes / MCQs

Q1. The Cabinet's 19 August 2026 approval upgrades which section of NH-22?
A) Delhi-Chandigarh B) Muzaffarpur-Sitamarhi-Sonbarsa C) Patna-Gaya D) Ranchi-Jamshedpur
Answer: B) Muzaffarpur-Sitamarhi-Sonbarsa
Explanation: This section in Bihar was approved for a 4-lane upgrade.

Q2. What is the total capital cost approved for this highway project?
A) Rs 2,590.73 crore B) Rs 3,590.73 crore C) Rs 4,590.73 crore D) Rs 1,590.73 crore
Answer: B) Rs 3,590.73 crore
Explanation: The Cabinet approved the project at a capital cost of Rs 3,590.73 crore.

Q3. Under which implementation mode will this highway project be executed?
A) Engineering, Procurement and Construction (EPC) B) Build-Operate-Transfer (BOT) Toll C) Hybrid Annuity Mode (HAM) D) Swiss Challenge
Answer: C) Hybrid Annuity Mode (HAM)
Explanation: The project will be implemented on Hybrid Annuity Mode, a common highway PPP funding model.