Another key contributor to Mumbai's economy is the transport sector. The city has been investing in and developing various transport related infrastructure projects.
Mumbai Suburban Railway, popularly referred to as Locals forms the backbone of the city's transport system. It is operated by the Central Railway and Western Railway zones of the
Indian Railways. Mumbai's suburban rail systems carried a total of 63
lakh (6.3 million) passengers every day in 2007. Trains are overcrowded during peak hours, with twelve-car trains of rated capacity 3550 passengers, actually carrying around 6,000+ passengers at peak hours. The Mumbai rail network is spread at an expanse of 319 route kilometres. 191 rakes (train-sets) of 12 car and 15 car composition are utilized to run a total of 2,750+ train services in the city. The
Mumbai Monorail and
Mumbai Metro have been built and are being extended in phases to relieve overcrowding on the existing network. The Monorail opened in early February 2014. The
first line of the Mumbai Metro opened in early June 2014. Mumbai is the headquarters of two zones of the
Indian Railways: the
Central Railway (CR) headquartered at
Chhatrapati Shivaji Terminus (formerly Victoria Terminus), and the
Western Railway (WR) headquartered at
Churchgate. Mumbai is also well connected to most parts of India by the
Indian Railways. Long-distance trains originate from
Chhatrapati Shivaji Terminus,
Dadar,
Lokmanya Tilak Terminus,
Mumbai Central,
Bandra Terminus,
Andheri and
Borivali.
Bus Mumbai's bus services carried over 55 lakh (5.5 million) passengers per day in 2008, which dropped to 28 lakh (2.8 million) in 2015. Public buses run by BEST cover almost all parts of the metropolis, as well as parts of
Navi Mumbai,
Mira-Bhayandar and Thane. The BEST operates a total of 4,608 buses with CCTV cameras installed, ferrying 45 lakh (4.5 million) passengers daily over 390 routes. Its fleet consists of single-decker, double-decker, vestibule, low-floor, disabled-friendly, air-conditioned and
Euro III compliant diesel and
compressed natural gas powered buses. BEST introduced air-conditioned buses in 1998. BEST buses are red in colour, based originally on the
Routemaster buses of London.
Maharashtra State Road Transport Corporation (MSRTC, also known as ST) buses provide intercity transport connecting Mumbai with other towns and cities of Maharashtra and nearby states. The
Navi Mumbai Municipal Transport (NMMT) and
Thane Municipal Transport (TMT) also operate their buses in Mumbai, connecting various nodes of Navi Mumbai and Thane to parts of Mumbai. Buses are generally favoured for commuting short to medium distances, while train fares are more economical for longer distance commutes. The
Mumbai Darshan is a tourist bus service which explores numerous
tourist attractions in Mumbai. Bus Rapid Transit System lanes have been planned throughout Mumbai. Though 88% of the city's commuters travel by public transport, Mumbai still continues to struggle with
traffic congestion. Mumbai's transport system has been categorised as one of the most congested in the world.
Road Mumbai is served by National Highway 48, National Highway 66, National Highway 160 and National Highway 61. The Mumbai–
Chennai and Mumbai–Delhi prongs of the
Golden Quadrilateral system of National Highways start from the city. The
Mumbai–Pune Expressway was the first
expressway built in India. The
Eastern Freeway was opened in 2013. The
Mumbai–Nashik Expressway,
Mumbai–Vadodara Expressway, are under construction. The
Bandra–Worli Sea Link bridge, along with
Mahim Causeway, links the island city to the western suburbs. The three major road arteries of the city are the
Eastern Express Highway from
Sion to Thane, the
Sion Panvel Expressway from
Sion to
Panvel and the
Western Express Highway from
Bandra to
Bhayandar. Mumbai has approximately of roads. There are five
tolled entry points to the city by road. Mumbai had about 721,000 private vehicles as of March 2014, 56,459 black and yellow taxis , and 106,000 auto rickshaws, as of May 2013.
Air The
Chhatrapati Shivaji Maharaj International Airport (formerly Sahar International Airport) is the main aviation hub in the city and the second-busiest airport in India in terms of passenger traffic. It handled 5.52 crore (55.2 million) passengers in FY2024-2025 and 822,000 tonnes of cargo in FY 2023–2024. An upgrade plan was initiated in 2006, targeted at increasing the capacity of the airport to handle up to 4 crore (40 million) passengers annually and the new terminal T2 was opened in February 2014. The
Navi Mumbai International Airport, built in
Panvel, will help relieve the increasing traffic burden on the existing airport once operations commence in December 2025. Initially, it will handle around 20 million passengers annually, and after total completion it will be able to handle 90 million passengers annually. The
Juhu Aerodrome was India's first airport, and now hosts the
Bombay Flying Club and a heliport operated by state-owned
Pawan Hans. ==Services==