Cabinet clears ₹3,590.73-crore four-laning of NH-22 up to Nepal border in Bihar
The Cabinet Committee on Economic Affairs on 19 August 2026 approved four-laning of the 82.578-km Muzaffarpur-Sitamarhi-Sonbarsa section of NH-22 in Bihar at ₹3,590.73 crore on Hybrid Annuity Mode.
Summary
The Cabinet Committee on Economic Affairs, chaired by Prime Minister Narendra Modi, on 19 August 2026 approved upgrading the Muzaffarpur-Sitamarhi-Sonbarsa section of NH-22 in Bihar to four lanes. The 82.578-km project will be built on Hybrid Annuity Mode (HAM) at a capital cost of ₹3,590.73 crore. The corridor links the India-Nepal border at Sonbarsa with Muzaffarpur on NH-27 (East-West Corridor) and will also improve access to the Buddhist Circuit and Janaki Punaura Dham temple in Sitamarhi. It is designed for 100 kmph and includes seven major bridges, including a 340-m bridge over the Bagmati river, three rail overbridges and two flyovers.
Key facts
- Section
- Muzaffarpur-Sitamarhi-Sonbarsa, NH-22 (Bihar)
- Length
- 82.578 km
- Cost
- ₹3,590.73 crore
- Mode
- Hybrid Annuity Mode (HAM)
- Design speed
- 100 kmph
- Structures
- 7 major bridges (incl. 340 m over Bagmati), 3 ROBs, 2 flyovers
Practice MCQs 3 questions
What are the cost and length of the Muzaffarpur-Sitamarhi-Sonbarsa NH-22 four-laning approved by the Cabinet on 19 August 2026?
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Correct answer: C — ₹3,590.73 crore; 82.578 km
The project covers 82.578 km at a total capital cost of ₹3,590.73 crore.
On which mode will the Muzaffarpur-Sitamarhi-Sonbarsa section of NH-22 be developed?
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Correct answer: A — Hybrid Annuity Mode (HAM)
The CCEA approved the project on Hybrid Annuity Mode (HAM).
Consider the following statements about the NH-22 Muzaffarpur-Sitamarhi-Sonbarsa project: 1. It links the India-Nepal border at Sonbarsa with Muzaffarpur on NH-27 (East-West Corridor). 2. It is designed for a speed of 120 kmph. Which of the above is/are correct?
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Correct answer: A — 1 only
Only statement 1 is correct. The road is designed for 100 kmph, with an average speed of 80 kmph.