| Year | Landmarks |
|---|---|
| 1873 | Bombay Tramway Co. Ltd. Started. |
| 1874 | Horse-Drawn Trams Introduced. |
| 1905 | Bombay Electric Supply & Tramway Co. Ltd. Started. |
| 1907 | First Tram ran on Electricity. |
| 1909 | Beaver Single Decker Cars Started. |
| 1912 | S. T. T. Cars Started. |
| 1920 | Double-Decker Tram Introduced. |
| 1926 | Single Deck Bus Services Started. |
| 1934 | Bus Services extended to the northern part of the City. |
| 1937 | Double Decker Bus Services Introduced. |
| 1940 | First Limited bus between Colaba and Mahim introduced. |
| 1947 | B. E. S. & T. Co. Limited Municipalized. |
| 1949 | Bus services extended to Western suburbs. American Cars were introduced. |
| 1955 | Bus services extended to Eastern Suburbs.Luxury Coach services introduced. |
| 1962 | Trolley Bus Services introduced. |
| 1964 | Free Travel facility extended to Police Personnel.Tram services abolished. |
| 1966 | Tata Mercedes Benz Buses introduced. |
| 1967 | Articulated (Trailer) buses came into operation. |
| 1968 | Facility of Concessional fare to totally blind person introduced.Beaver Double-Decker buses introduced. |
| 1970 | Cometiesed Titan Buses Introduced.Cheetah Single Decker buses introduced. |
| 1971 | Trolley Bus services abolished.Seats reserved for Ladies in buses.Bangla Desh Relief fund Started. |
| 1972 | Silver Jubilee of Municipalisation.Tata Single Decker buses introduced. |
| 1976 | Bombay Suburban Transport Project Commissioned.. |
| 1981 | Ferry Services started from Marve To Manori. |
| 1984 | Bus Coupons Introduced. Operation extended to Navi Mumbai with Route 501Ltd. |
| 1985 | Articulated Buses withdrawn from operation. Bus Coupons Discontinued |
| 1986 | Printing of "MARATHI" tickets started. |
| 1990 | Free Travel facility to freedom fighters residing in Mumbai, introduced. |
| 1992 | Automatic Bus Washing machines installed at Depots. |
| 1994 | Concessional ticket facility extended to student studying in Junior Colleges. Operation extended to Thane by extending Route 30Ltd. |
| 1996 | Single Decker Articulated Vestibule Buses Introduced. |
| 1997 | Environment Friendly Buses fitted with Compressed Natural Gas Engine introduced. Open Deck Bus introduced for site seeing of illuminated heritage buildings in collaboration with Maharashtra Tourism Development Corporation. Introduction of Monthly Bus Pass scheme of selected routes. Luxury Bus services introduced. |
| 1998 | Air Conditioned Bus service introduced.New "Shivaji Nagar" Bus Depot commissioned.Automatic Fare Collection with help of contact-less cards (SMART CARD) introduced. |
| 1999 | New Mulund Bus Depot Commissioned. Monthly Bus Pass Scheme Discontinued |
| 2000 | All Luxury Buses Discontinued w. e. from 1/12/2000 |
| 2003 | Low Floor Bus Introduced, as a Pilot Project |
| 2004 | Exclusive Bus Lane for BEST Buses from Mumbai-C.S.T to Mantralaya (approx 3.5 Kms) |
| 2010 | Bus Pass Scheme with RF-ID based SMART CARD's is introduced. |
| 2011 | Electronic Ticket Issuing Machines (ETIM) introduced on all the buses. |
| 2014 | Commissioned Malad Bus Depot from 12th April 2014. |
| 2016 | Commissioned KalaKilla Bus Depot From 1st February 2016 |