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4.89 km, 8-Lane Tunnel on Delhi-Mumbai Expressway Opens in Rajasthan's Kota District

Target:UPSCMPSCSSC GATeachingPrelims HighMains MediumStatic GK Link
30 Jun 2026
~2 min
Source: Indian Express
Key Data:4.89 km tunnel length22 m width11 m height₹1,000 crore original cost₹1,250 crore revised cost1,386 km expressway length
Bodies:NHAIMinistry of Road Transport and Highways
Practice MCQs from today's news ▸
What This Article Covers

1.4.89 km long, 8-lane tunnel on Delhi-Mumbai Expressway in Rajasthan's Kota will open by July 2026, along with a 26 km section from Sawai Madhopur to Laban.

2.The tunnel is one of the widest in India (22m width, 11m height) and passes through an eco-sensitive tiger habitat, with camouflaged cut-and-cover sections for animal movement.

3.Key data for exam: expressway total length 1,386 km, cost over ₹1 lakh crore, travel time reduced from 24 to 12 hours, and project delays due to heavy water ingress and redesign.

The Big Picture
Prelims · HighMains · Medium

The critical 4.89 km, 8-lane tunnel on the Delhi-Mumbai Expressway in Rajasthan's Kota district is set to open by end of July 2026, marking a major milestone for India's longest expressway. This tunnel, cutting through the Mukundra Hills tiger habitat, features India's widest tunnel section and includes animal-friendly cut-and-cover passages. For exam aspirants: note the tunnel's dimensions, cost revision from ₹1,000 Cr to ₹1,250 Cr, and the expressway's total length of 1,386 km – all potential Prelims facts.

Exam Lens

Quick Exam Facts From News

Tunnel Length4.89 km
Tunnel Width22 m
Tunnel Height11 m
Original Cost₹1,000 crore
Revised Cost₹1,250 crore
Expressway Total Length1,386 km
Travel Time Reduction24 hours to 12 hours
Expressway Total CostOver ₹1 lakh crore
Opening TimelineJuly 2026 (tunnel), October 2026 (Delhi-Vadodara section)

1-Minute Revision

  • ›Tunnel Length: 4.89 km
  • ›Tunnel Width: 22 m
  • ›Target this Data: Tunnel length 4.89 km, width 22m, height 11m, cost revised to ₹1,250 crore.
  • ›Target this Nodal Body: National Highway Authority of India (NHAI) under Ministry of Road Transport and Highways.
  • ›Target this Legal Point: Eco-Sensitive Zone notification for wildlife corridors; NHAI Act, 1988.

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which ministry is primarily responsible for the implementation of the Delhi-Mumbai Expressway project?

Q2Statement-basedHard

Consider the following statements regarding the Delhi-Mumbai Expressway tunnel:

1. The tunnel is 4.89 km long and is one of the widest tunnels in India with a width of 22 metres.

2. The original cost of the tunnel project was ₹1,250 crore, later revised to ₹1,000 crore.

3. The tunnel includes cut-and-cover sections to allow animal movement across the expressway.

Which of the statements given above is/are correct?

Q3Data-centricMedium

What is the total length of the Delhi-Mumbai Expressway as mentioned in the article?

Q4Application/ImpactMedium

What is the primary purpose of constructing camouflaged cut-and-cover sections on both sides of the tunnel?

All 15 MCQs ▸
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