Delhi Metro has reached a significant milestone in its Phase 4 expansion with the completion of a crucial underground stretch on the Golden Line. This achievement, recognized by Chief Minister Rekha Gupta, marks a major step forward in the city’s urban transit development.
The latest tunneling breakthrough, completed at IGNOU station, is part of the Aerocity-Tughlakabad corridor and is one of the deepest underground metro tunnels in India. This will improve connectivity for commuters, significantly reducing travel time in South Delhi.
Delhi Metro Reaches a Key Milestone on Golden Line
| Aspect | Details |
|---|---|
| Project Name | Delhi Metro Golden Line Expansion |
| Tunneling Depth | Up to 39 meters underground |
| Total Corridor Length | 25.82 km |
| Number of Stations | 16 |
| Completion Timeline | March 2026 |
| Significance | Enhances metro connectivity in South Delhi |
| Budget Allocation | ₹8,000 Crore |
| Estimated Daily Ridership | 5 Lakh Passengers |
| Technology Used | Tunnel Boring Machines (TBM) and Green Construction |
| Official Source | DMRC Official Website |
The completion of this key milestone on the Golden Line represents a significant achievement for Delhi Metro Rail Corporation (DMRC). With its deepest tunnel, faster connectivity, and economic benefits, this expansion will revolutionize public transport in the capital.
As we move closer to March 2026, Delhiites can look forward to an efficient, sustainable, and world-class metro network that meets the growing needs of the city.
Golden Line: A Game-Changer for Delhi’s Metro Network
The Golden Line is a crucial part of Delhi Metro’s Phase 4 expansion, spanning 25.82 km with 16 stations connecting Aerocity to Tughlakabad. It will improve last-mile connectivity for thousands of commuters while reducing congestion on existing metro routes.
What Makes This Milestone Special?
- Deepest Underground Tunnel: The tunnel reaches a depth of 39 meters, making it one of the deepest metro tunnels in India.
- Faster Commute: Travel time between Tughlakabad and Aerocity will be cut down by nearly 40%.
- Better Connectivity: The line connects South Delhi to Indira Gandhi International Airport more efficiently.
- Eco-Friendly Construction: DMRC has used sustainable construction techniques, including solar energy utilization and rainwater harvesting, to minimize environmental impact.
- New Driverless Metro Trains: The corridor will feature automated trains with state-of-the-art AI-powered control systems.
How This Affects Commuters and the City
1. Faster Travel, Less Congestion
The Golden Line will significantly reduce travel time for daily commuters in South Delhi. With increasing traffic congestion on roads, metro expansion is crucial in providing a reliable and time-saving alternative.
2. Boost for Local Businesses
Improved metro connectivity boosts economic activity by making business districts more accessible. Malls, markets, and commercial hubs near Tughlakabad, IGNOU, and Aerocity will see increased footfall, benefiting local businesses.
3. Enhanced Property Value
Real estate prices tend to rise near metro stations due to increased accessibility. Areas along the Golden Line corridor are expected to see 10-20% appreciation in property values over the next few years.
4. Better Airport Connectivity
Delhi Metro has been focusing on seamless airport connectivity. With this new line, passengers traveling to IGI Airport will have an efficient and affordable option, reducing dependence on road transport and ride-hailing services.
5. Environmental Benefits
- Reduction in Carbon Emissions: With thousands of vehicles off the roads, Delhi Metro is estimated to cut down over 50,000 metric tons of CO₂ emissions annually.
- Energy Efficiency: The new metro stations will feature solar panels, LED lighting, and smart cooling systems.
- Green Zones: DMRC is developing green belts around metro stations to improve air quality.
Future of Delhi Metro: What Comes Next?
The Delhi Metro network currently spans 394 km, making it one of the largest urban transit systems in the world. With the completion of Phase 4, it is set to surpass New York’s subway system, making it the largest metro network in a single city.
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Upcoming Expansions in Phase 4
| Corridor Name | Length (km) | Expected Completion |
| Tughlakabad-Aerocity (Golden Line) | 25.82 | March 2026 |
| Janakpuri West-RK Ashram | 28.92 | 2026 |
| Majlis Park-Maujpur | 12.55 | 2025 |
| Inderlok-Indraprastha | 12.58 | 2026 |
These new routes will further strengthen Delhi’s public transportation system, making it more accessible for millions of commuters daily.
Frequently Asked Questions (FAQs)
1. What is the Golden Line in Delhi Metro?
The Golden Line is part of Delhi Metro’s Phase 4 expansion, connecting Aerocity to Tughlakabad with 16 stations and a total length of 25.82 km.
2. Why is the Golden Line important?
It improves metro connectivity in South Delhi, reduces traffic congestion, and provides a direct link to IGI Airport.
3. How deep is the new metro tunnel?
The tunnel reaches a depth of 39 meters, making it one of the deepest metro tunnels in India.
4. When will the Golden Line be operational?
The completion deadline is March 2026, with trial runs expected to begin in early 2026.
5. How does this affect property prices in South Delhi?
Metro expansion often leads to an increase in property values. Experts predict a 10-20% rise in areas along the new corridor.
6. Will the Golden Line have driverless trains?
Yes, the Golden Line will introduce fully automated, AI-powered driverless metro trains, ensuring higher efficiency and safety.
7. How is Delhi Metro making this project eco-friendly?
DMRC is incorporating solar energy, energy-efficient lighting, rainwater harvesting, and green belts to minimize the environmental impact of the project.
