1888: The Oahu Railway and Land Company is founded with a government railroad charter approved by King David Kalakaua.
1895: The development of the OR&L’s route across ‘Ewa establishes the first urban development at Pearl City.
1899: The first two automobiles in Honolulu take to the streets.
1901: Honolulu Rapid Transit and Land Company launches an electric streetcar system.
1925: Motor bus operations begin in Honolulu.
The ’40s & ’50s
1942: Streetcars are replaced completely by buses.
1947: OR&L makes its last trip on New Year’s Eve before the company’s dissolution.
1953: Construction of the H-1 highway is complete.
1960s: Public opposition to expanding highways mounts on Oahu.
1966: Honolulu Mayor Neal Blaisdell suggests rail as an alternative to automobiles.
1967: Oahu Transportation Study concludes rail between Pearl City and Hawaii Kai would be a cost-effective transportation solution.
1968: Preliminary engineering and evaluation completed for Honolulu Area Rail Rapid Transit, popularly known as HART.
The ’70s & ’80s
1971: Bus operations expand on Oahu under a new name: TheBus.
1980: HART advocate and Honolulu Mayor Frank Fasi loses reelection to Eileen Anderson.
1981: Honolulu Mayor Eileen Anderson scraps HART after President Ronald Regan eliminates federal funding for new mass transit.
1984: Frank Fasi reelected as mayor.
1986: City officials revive rapid transit project, based on planning from HART but incorporating new automated technologies, and call it Honolulu Rapid Transit or HRT.
1992: Final Environmental Impact Statement is issued for HRT.
1992: City Council rejects local funding solution, halts HRT.
1998: City develops the Oahu Trans 2K Islandwide Mobility Concept Plan, an integrated transportation approach with planned roadway and public bus system improvements.
2000: Major Investment Study and Draft Environmental Impact Statement for a system based on bus rapid transit completed.
2005: State Legislature approves Act 247, allowing City Council to levy tax to fund transit improvements.
2005: State and Federal paperwork filed to explore transit solutions for Oahu congestion.
2006: Honolulu High-Capacity Transit Corridor Project Alternatives Analysis Report completed. Report evaluates four transit solutions: Do nothing, transportation system management, express buses operating in managed lanes, fixed-guideway transit system.
2007: City Council considers 3,000 public comments, selects a fixed-guideway from East Kapolei to Ala Moana by way of Salt Lake Boulevard as the locally-preferred alternative.
November 2008: Oahu voters pass a charter amendment in support of a steel-wheel on steel-rail transit system.
November 2008: City releases Draft Environmental Impact Statement, requests comments from public.
November 2008: City Council Chairman Todd Apo and City Councilman Charles Djou propose altering rail route to go past airport.
January 2009: City Council passes resolution to approve airport route.
October 2009: City submits Final Environmental Impact Statement to Federal government, Honolulu Mayor Mufi Hannemann announces delay to planned December 2009 groundbreaking.
Into the future
March 2010: Federal, State and City officials meet to discuss airport zoning and other technical issues.
2018: Planned completion of Honolulu High-Capacity Transit Corridor Project, based on December 2009 groundbreaking.