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India Unveils Longest Animal Overpass on Delhi-Mumbai Expressway
- India’s first dedicated wildlife corridor has been introduced by the National Highways Authority of India (NHAI) along the Delhi–Mumbai Expressway.
- The corridor was officially inaugurated by the NHAI on June 28, 2025, signifying its operational readiness.
- This initiative marks a pioneering step in combining infrastructure development with wildlife conservation.
- The corridor stretches across 12 km within the buffer zone of the Ranthambore Tiger Reserve.
- It features advanced overpasses and underpasses specifically designed to allow safe passage for wildlife.
- The project ensures uninterrupted movement for animals such as tigers, leopards, and other large mammals.
Key Features of the Corridor
- Wildlife Overpasses: Five wildlife overpasses, each around 500 m long, are designed to blend into the natural landscape.
- Longest Underpass: A 1.2 km underpass, the longest in India, allows safe passage for large animals like tigers, bears, and leopards.
- Elevated Road Sections: Nearly 5 km of elevated or sunken highway helps preserve the terrain and reduce habitat disruption.
- Noise & Barrier Control: 4‑meter-high boundary walls and 2‑meter sound barriers prevent animal entry and minimize noise pollution.
Wildlife Monitoring & Safety Measures
- Construction Phase Monitoring: Dedicated teams every 200 m ensured no animal intrusions occurred during construction.
- Post-Use Observations: Tigers and bears have already been recorded using the corridors, proving their success.
- Institutional Collaboration: Wildlife Institute of India and the Ministry of Environment & Forests were involved to ensure ecological standards.
Environmental & Ecological Enhancements
- Tree Plantation Drive: 35,000+ trees were planted to restore natural habitat and create a green buffer zone.
- Water-Saving Systems: Rainwater harvesting every 500 m and drip irrigation cut water usage by over 50%.
- Eco-Friendly Construction: Modular formwork and low-waste construction techniques reduced environmental damage.
National Significance & Future Impact
- Longest Wildlife Corridor: Recognized as India’s longest animal overpass corridor, totaling 2.5 km in crossings.
- Eco-Infrastructure Model: Sets a benchmark for environmentally conscious highway projects in India.
- Replication Plans: States like Punjab and Maharashtra are planning similar wildlife-integrated expressways.
What Experts Are Saying
- Official Statement: Pradeep Attri (NHAI) praised the 12-km corridor and confirmed no accidents occurred during construction.
- Expert Praise: Conservationists hailed it as a critical innovation balancing development with wildlife protection.
Broader Context: The Wildlife Challenge
- Historic Collision Zones: Ranthambore, Chambal, and Aravalli areas have seen frequent animal-vehicle accidents.
- Design Integration: The expressway included ~2.5 km of wildlife passages, but this is the first fully integrated segment.
- Global Alignment: The corridor aligns with international conservation practices like eco-bridges and habitat connectivity.
Looking Ahead: What This Means
- Proof of Concept: Demonstrates successful integration of conservation in infrastructure, especially in sensitive zones.
- Policy Boost: Strengthens the push for mandatory wildlife crossings in future highway projects.
- Sustainable Development Vision: Ensures that India’s expressway expansion aligns with environmental conservation.
Important questions
- When was India’s first dedicated wildlife corridor on the Delhi–Mumbai Expressway officially inaugurated?
- What is the total length of the newly launched animal corridor on the Delhi–Mumbai Expressway?
- How many wildlife overpasses are included in the corridor on the Delhi–Mumbai Expressway, and what is their approximate length?
- Which national park’s buffer zone does the wildlife corridor on the Delhi–Mumbai Expressway pass through?
- What are some of the environmental measures implemented along the corridor on the Delhi–Mumbai Expressway to support ecological balance?
Conclusion
India’s pioneering 12 km animal overpass corridor on the Delhi–Mumbai Expressway is a game-changer—demonstrating that major infrastructure can coexist with wildlife protection. With strategic planning, cross-institutional collaboration, and eco-savvy engineering, the corridor not only safeguards Bengal tigers, leopards, bears, and other species, but also establishes a national standard for environmentally conscious development. It’s a hopeful sign that India’s future highways will be greener and safer—for both humans and animals.
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