Namma Bengaluru Metro Phase 3: A Comprehensive Guide to the Upcoming Orange and Grey Lines

The expansion of Bengaluru’s metro network, commonly referred to as Namma Metro, is set to transform the city’s public transport infrastructure. With the launch of Namma Metro Phase 3, new metro lines—Orange Line and Grey Line—are expected to provide seamless connectivity, reduce traffic congestion, and make daily commutes more efficient.

This blog will break down in detail and latest updates on the metro’s expansion, costs, construction timelines.

Overview of Namma Metro Phase 3

Namma Metro’s third phase approved by the Union Cabinet, will span about 44.6 kilometers and introduce two elevated metro lines:

1. Orange Line: 32.1 km from JP Nagar 4th Phase to Kempapura.
2. Grey Line: 12.5 km from Hosahalli to Kadabagere.

This ambitious project, which aims to reduce Bengaluru’s miserable traffic, includes the development of 22 metro stations on the Orange Line and 9 stations on the Grey Line.

Key Details of Phase 3:

Key Features of Namma Metro Phase 3

1. Orange Line: Connecting JP Nagar to Kempapura

• Spanning 32.1 kilometers, the Orange Line will link JP Nagar’s 4th Phase to Kempapura.
• Interchanges: The line will feature six key interchanges to connect with existing and upcoming metro lines, such as:
  • Pink Line at JP Nagar
  • Green Line at JP Nagar and Peenya
  • Purple Line at Mysuru Road
  • Grey Line at Sumanahalli Junction
  • Blue Line at Kempapura
  • Suburban Rail at Hebbal
• This line will also pioneer road-cum-metro flyovers:
  • 1.3 km stretch from Kanakapura Road to Sarakki
  • 1.5 km stretch from Uttarahalli to Hosakerehalli

2. Grey Line: Boosting Suburban Connectivity

• The Grey Line will span 12.5 kilometers, connecting Hosahalli to Kadabagere.
• This line will feature 9 stations and integrate with the Orange Line at Sumanahalli Junction.
• The trains on this line will initially operate with 3-coach trains, with plans to expand based on demand.

3. Land Acquisition and Costs

• The project will require the acquisition of 700 properties, with an estimated cost of ₹1,900 crores.
• Land acquisition notices will be issued shortly, with construction tenders expected to follow.

4. Depots and Maintenance

• Both lines will share a 75-acre depot near Sumanahalli Junction for operational and maintenance purposes.

Funding for Namma Metro Phase 3

The total cost for Phase 3 is estimated at ₹15,611 crores, funded by:

• Karnataka Government: ₹2,037 crores
• Central Government: ₹2,037 crores
• JICA (Japan International Cooperation Agency): ₹7,577 crores (loan assistance)

Construction Timelines

• Pre-Construction Studies: Geological investigations to analyze soil conditions and column designs are underway.
• Land Acquisition: Scheduled to begin soon, with completion expected by 2025.
• Construction Timeline: Phase 3 construction is set to start in 2025 and will be completed by 2030.
• Ridership Projections: By 2031, the Orange and Grey Lines are expected to cater to 6.7 lakh daily commuters.

Interchange Facilities

One of the standout features of Phase 3 is its interchange points, ensuring seamless connectivity with other metro lines. Key interchange stations include:

• JP Nagar (Pink and Green Lines)
• Mysuru Road (Purple Line)
• Peenya (Green Line)
• Sumanahalli Junction (Grey Line)
• Kempapura (Blue Line)
• Hebbal (Suburban Rail)

The Bigger Picture: Bengaluru’s Metro Expansion

With the completion of the Orange Line and Blue Line, the Outer Ring Road (ORR) will enjoy full metro connectivity. This development will significantly reduce traffic congestion, cut travel times, and encourage more residents to use public transport.

Additionally:

• Orange Line Trains: Equipped with 6-coach trains to handle high passenger demand.
• Grey Line Trains: Operate initially with 3 coaches but are scalable based on future ridership needs.

Bengaluru Metro Phase 3 at a Glance

Why This Matters

The Namma Metro Orange Line and Grey Line are not just transport projects—they are catalysts for economic growth and urban development in Bengaluru. By reducing traffic, increasing connectivity, and promoting sustainable transport, they aim to make Bengaluru a more livable city.

Final Thoughts

The Orange Line Metro Bangalore and Grey Line Metro Bangalore under Phase 3 of the Namma Metro are game changers for Bengaluru. With their completion, the city will take a giant leap toward solving its traffic woes and enhancing commuter convenience. Let’s hope for timely execution and further expansions to make public transportation a preferred choice for all.

Frequently Asked Questions (FAQs)

1. What is the length of the Orange Line?
   • The Orange Line spans 32.1 km with 22 stations.
2. When will Phase 3 be completed?
   • Phase 3 is expected to be completed by 2030.
3. How much does Phase 3 cost?
   • The total cost is estimated at ₹15,611 crores.
4. What is the Grey Line?
   • The Grey Line is a 12.5 km metro line connecting Hosahalli to Kadabagere.
5. How many passengers will Phase 3 serve daily?
   • By 2031, it will serve 6.7 lakh passengers daily.