Bengaluru STRRĄ¯s 21-km link to Chennai Expressway to open by March 2025: Check final dates & routes

Bangalore-Chennai Expressway: A key 21-km stretch of the Bengaluru Satellite Town Ring Road (STRR) is set to open by March 2025. This STRR connects Hoskote to the Tamil Nadu border. This new link will provide seamless access to the Bangalore-Chennai Expressway (NE-7). And, also improve connectivity and reduce traffic congestion.

Once fully completed, the 288-km STRR will serve as a major bypass for Bengaluru. It will basically divert long-distance vehicles and ease pressure on city roads. The project includes six-lane roads, underpasses, and a rail overbridge, which helps in travel efficiency between Karnataka and Tamil Nadu.

Bangalore-Chennai Expressway Project Highlights

• Total Length: 288 km
• States Covered: Karnataka, Andhra Pradesh, Tamil Nadu
• Lanes: 6 lanes
• Design Speed: 100 kmph
• Number of Underpasses: 11
• Key Cities Connected: Bangalore, Kolar, Chittoor, Ranipet, Chennai
• Project Cost: ?17,000 crore (entire STRR project)
• Completion Deadline: December 2025 (expected)
• Implementing Authority: National Highways Authority of India (NHAI)
• Project Model: Hybrid Annuity Model (HAM)

This project is all set to help in Reduced travel time, decongested Bengaluru roads, improved interstate trade.

Bengaluru STRR & Bangalore-Chennai Expressway Connection

Bangalore-Chennai Expressway (NE-7) is a major upcoming 288-km highway that will connect Bengaluru, Kolar, Chittoor, Ranipet, and Chennai. The STRR will link with this expressway for smooth transportation for both passengers and commercial vehicles. The STRR will also act as a bypass for Bengaluru. It will reduce congestion within the city.

Here is the full update on the #BCE and the exchange of #STRR, along with the progress of the #Bengaluru_Chennai_Expressway.@varungrao, appreciate your efforts in sharing such beautiful and informative images. https://t.co/kudlrqX89i

ĄĒ Naveen | ????? (@naveen_gowda3) March 1, 2025

Benefits of the Bengaluru STRR Project

• It will help in diverting heavy vehicles away from Bengaluru city roads.
• It will offer improved road network and cut travel time between Bengaluru and Chennai.
• It will help in easier movement of goods between Karnataka, Andhra Pradesh, and Tamil Nadu.
• The road will pass through the Bannerghatta National Park (BNP) Eco-Sensitive Zone to minimize environmental impact.

The full 288-km STRR is expected to be completed by 2027. It will be so exciting to witness an efficient road network around the city. Parts of the expressway within Karnataka are already operational, with a toll-free 68-km stretch helping 2,000 vehicles daily.

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