STRR is a Satellite Town Ring Road authority. Being developed by the National Highway Authority Of India at an investment of Rs 15000 crores, the Satellite Town Ring Road (STRR) will connect 12 important towns around Bengaluru including Dobbasapete, Doddaballapura, Devanahalli, Sulibele, Hoskote, Sarjapura, Attibele, Anekal, Tattekere, Kanakapura, Ramanagaram and Magadi.

280.8 km Bangalore Satellite Town Ring Road (STRR, NH-948A) by NHAI is an under construction 4-6 lane access-controlled expressway with a route alignment in Karnataka connecting 12 towns of Dobbasapete, Doddaballapura, Devanahalli, Sulibele, Hoskote, Sarjapura, Attibele, Anekal, Tattekere, Kanakapura, Ramanagara and Magadi.

This greenfield expressway under Bharatmala Pariyojna Lot-3 will serve as a bypass around Bengaluru city. It is being built in 3 parallel phases and involves construction of NH-948A and realignment of existing NH-648 (old NH-207).

The expressway will pass through Bannerghatta National Park (BNP)’s eco sensitive zone (ESZ) from Km. 95.525 to Km 138.0000 and includes a 8.1 km elevated highway through its core with a 28.50m ROW.

STRR project has a deadline of 2025. Its Detailed Project Report (DPR) was prepared by Louis Berger Group Inc. and KITKO (Hosur – Sarjapur section only). Land acquisition for the project started in 2018 with a total of 1009.8 hectares required in Karnataka and 340 hectares required in Tamil Nadu.