Lal Bahadur Shastri Marg, commonly known by its abbreviation LBS Marg, is a 21 km long, major arterial road connecting the neighbouring city of Thane with Sion in Mumbai. It passes through heavily populated areas of the Eastern Suburbs in Mumbai and is heavily congested. Approximately, 3 lakh vehicles use this road daily. The road is named after Lal Bahadur Shastri, the second Prime Minister of India.