Transport09/24/2026@BuildDesk
Metro's D Line Subway Reaches Westwood and the VA Campus
Westwood/UCLA Station, Westwood, Los Angeles, CALos Angeles County Metropolitan Transportation Authority
Starts 12/20/2027ESTIMATED 75% CONFIDENCEin 1.2 yearsMetro's^[1][3][4] D Line fact sheet forecasts Section 3 "Operations: Fall 2027", repeated in its September 9, 2026 community-meeting schedule; a season takes its last day.
Section 3 completes the nine-mile D Line extension with 2.56 miles and stations at Westwood/UCLA and Westwood/VA Hospital, putting the subway within reach of UCLA before the 2028 Olympics.
0.67
Transport09/20/2026@BuildDesk
First Section of São Paulo's Line 6-Orange Opens for Trial Service
Água Branca, São Paulo, BrazilAcciona
Starts 07/02/2026CONFIRMED 90% CONFIDENCE84 days agoThe report states that "the first 5.2 km section of São Paulo's metro network's Line 6 (Orange) opened on July 2".^[1]
Six stations opened along a 5.2 km stretch between João Paulo I and Perdizes, among them Água Branca, which at 47.8 metres is the deepest metro station in South America. Trains run on weekdays from 10.00 to 15.00 and are free for now; the finished line is to run 15.3 km with 15 stations from Brasilândia to São Joaquim.
0.67
Transport09/20/2026@BuildDesk
Second Avenue Subway Phase 2 Breaks Ground in East Harlem
125th Street and Second Avenue, East Harlem, New York, NY 10035Metropolitan Transportation Authority
Starts 06/08/2026CONFIRMED 90% CONFIDENCE108 days agoHappened as dated: the announcement of 8 June 2026 is headed "Governor Hochul Celebrates Groundbreaking for Major Construction Stage of Second Avenue Subway Phase 2 Project".^[1]
The MTA started the major construction stage of the 1.5-mile extension that carries the Q from 96th Street to Harlem-125th Street, with new stations at 106th, 116th and 125th Streets. A tunnel boring machine goes underground in early 2027 and trains are due in 2032.
$7B
0.66
Transport09/15/2026@BuildDesk
NYC Targets 2030s for the Interborough Express
Bay Ridge, Brooklyn, New York, USAMetropolitan Transportation Authority
Starts 12/31/2033ESTIMATED 66% CONFIDENCEin 7.3 yearsGiven as scheduled, per the source^[1]: "officials said they expect the first trains to run in the 2030s."
The MTA is pushing ahead on a new light rail line linking Brooklyn and Queens via a freight corridor that has never had passenger subway service.
$5.5B
0.66
Transport09/14/2026@BuildDesk
Bogotá Metro Line 1 Targets 2028 Opening
Bogotá, Colombia
Starts 03/15/2028ESTIMATED 69% CONFIDENCEin 1.5 yearsA target, per the source^[1]: "Bogotá Mayor Carlos Fernando Galán has confirmed that the first passengers will be able to ride Line 1 of the Metro on March 15, 2028," with construction 60% complete as of mid-2025.
After more than 80 years of proposals, Bogotá's first metro line, an elevated 24km driverless railway, is targeted to carry its first passengers in 2028.
$4B
0.66
Transport09/24/2026@BuildDesk
Metro's D Line Subway Reaches Beverly Hills and Century City
Los Angeles County Metropolitan Transportation AuthorityCentury City station, Century City, Los Angeles, CA
Starts 06/20/2027ESTIMATED 76% CONFIDENCEin 269 daysThe City of Beverly Hills^[1] says Section 2 "is under construction and scheduled for completion in Spring 2027", and Metro's^[2][4] September 2026 schedule gives Section 2 operations as "Spring 2027"; a season takes its last day.
Section 2 of the D Line extension adds 2.59 miles of subway and two stations, Beverly Drive and Century City, carrying the line west from Wilshire/La Cienega.
0.66
Transport09/20/2026@BuildDesk
Mumbai's Aqua Line Metro Reaches Cuffe Parade, Completing the Line
Cuffe Parade, Mumbai, Maharashtra, IndiaMumbai Metro Rail Corporation
Starts 10/08/2025CONFIRMED 90% CONFIDENCE351 days agoThe article states the final stretch "from Acharya Atre Chowk to Cuffe Parade was inaugurated by Modi, along with the Navi Mumbai International Airport on 8 October 2025".^[1]
The last 10.99 km stretch, from Acharya Atre Chowk to Cuffe Parade, opened to passengers and completed the 33.5 km Aqua Line, Mumbai's first fully underground metro with 27 stations. The Mumbai Metro Rail Corporation's managing director put the line's completion cost at about 30,000 crore rupees.
0.66
Transport09/20/2026@BuildDesk
Metro's D Line Subway Extension Opens Its First Three Stations
Wilshire/La Cienega station, Wilshire Blvd at La Cienega Blvd, Beverly Hills, CA 90211Los Angeles County Metropolitan Transportation Authority
Starts 05/08/2026CONFIRMED 90% CONFIDENCE139 days agoMetro's^[1] own project page says of Section 1, "This Opened on May 8, 2026."
LA Metro opened Section 1 of the D Line subway extension, carrying the Wilshire Boulevard subway 3.9 miles west of Wilshire/Western to new stations at La Brea, Fairfax and La Cienega. It is the line's first extension since 1996 and the first of three sections Metro wants running before the 2028 Olympics.
0.66
Transport09/15/2026@BuildDesk
Metropolitan Railway Opens the World's First Underground Line
Paddington to Farringdon, London, United KingdomMetropolitan Railway
Starts 01/10/1863CONFIRMED 82% CONFIDENCE163.7 years agoThe London Transport Museum and Britannica^[2] both date the Metropolitan Railway's opening between Paddington and Farringdon to January 10, 1863.
The Metropolitan Railway opened between Paddington and Farringdon on January 10, 1863, the world's first underground railway and the ancestor of every metro system shown in Moving Millions Every Day.
0.65
Transport09/15/2026@BuildDesk
Second Avenue Subway Phase One Opens as World's Priciest Subway
2nd Ave & E 96th St, Manhattan, New York
Starts 01/01/2017CONFIRMED 90% CONFIDENCE9.7 years agoHappened as dated, per the source^[1]: "The first phase of this new line, with three new stations on Manhattan's Upper East Side, opened on January 1, 2017."
New York opened the first phase of the Second Avenue Subway, a century-delayed project that became the world's most expensive subway on a per-mile basis.
$4.45
0.65
Transport09/11/2026@ThePinGang
Lima Metro Line 2 Fully Open
Lima, Peru
Starts 12/01/2028ESTIMATED 51% CONFIDENCEin 2.2 yearsGiven as a target, not a fixed date, per en.wikipedia.org^[1]: "…ne is currently under construction, and projected to be completed by 2028.[citation needed] New line…"
A 35 km fully underground east-west line beneath Lima, cutting a two-hour surface trip to about 45 minutes. Estimated date.
$5.4B
0.65
Transport09/24/2026@BuildDesk
Metro Opens the Rail to Rail Bike and Walk Path Through South LA
Los Angeles County Metropolitan Transportation AuthorityWest Slauson Avenue, Vermont Square, Los Angeles, CA 90044
Starts 05/17/2025CONFIRMED 89% CONFIDENCE1.4 years agoMetro's^[1] release dated May 17, 2025 says it "hosted a 'rolling dedication' and community fair this morning to celebrate the grand opening of the Rail to Rail Active Transportation Corridor".
A 5.5-mile walking and biking path on an abandoned freight line along Slauson Avenue, from near the K Line's Fairview Heights station to the A Line's Slauson station, built for $166 million.
$166M
0.65

Metro's^[1] release dated January 22, 2026 says the Metro Board "selected an underground heavy rail option as the Locally Preferred Alternative (LPA) for the Sepulveda Transit Corridor Project"; Wikipedia^[2] gives the full board's unanimous vote at its January 22, 2026 meeting.

Start: Jan 22, 202690% CONFIDENCEfrom the source

Metro Picks an Underground Subway for the Sepulveda Pass

The Metro Board chose a fully underground heavy-rail line, Modified Alternative 5, to link the San Fernando Valley with the Westside through the Sepulveda Pass, a trip Metro says will take under 20 minutes.

The Metro Board selected Modified Alternative 5, an underground heavy-rail option, as the Locally Preferred Alternative for the Sepulveda Transit Corridor Project^[1]
The line would run from the Metrolink Van Nuys station to the Metro E Line, with a trip between the San Fernando Valley and the Westside in under 20 minutes and Van Nuys (G Line) to Westwood (D Line) in about 10 minutes, against 40 to 80 minutes by car^[1]
It would connect with the D, E and G lines, the East San Fernando Valley line, Van Nuys Metrolink and UCLA^[1]
The choice followed a draft environmental impact report on five alternatives, which drew more than 8,000 public comments; Metro now moves to design refinement and the next phase of environmental review^[1]
The planning committee had backed the option on January 14 and the full board voted unanimously on January 22; revenue service is projected for 2033-2035, and the unmodified fully tunneled option was costed at $24.2 billion in May 2025^[2]

@BuildDesk

References 387% CONFIDENCE

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

[1]90%
metro.net/about/media-relations/metro-boards-initial-approval-sets-stage-for-generational-transformation-of-sepulveda-pass-corridor
metro.net· Posted Sep 24, 2026· Starts Jan 22, 2026 ✓· 42% of score
Metro's release dated January 22, 2026 says the Metro Board "selected an underground heavy rail option as the Locally Preferred Alternative (LPA) for the Sepulveda Transit Corridor Project"; Wikipedia^[2] gives the full board's unanimous vote at its January 22, 2026 meeting.
[2]85%
Sepulveda Transit Corridor
en.wikipedia.org· Added Sep 24, 2026· 42% of score
Metro's^[1] Planning and Programming Committee approved Modified Alternative 5 on January 14, 2026 and the full board unanimously on January 22, 2026; the draft EIR came out on June 3, 2025; revenue service projected for 2033-2035; Alternative 5 (fully tunneled heavy rail) was costed at $24.2 billion in May 2025.
[3]85%
Metro approves railway project to connect San Fernando Valley and West LA
youtube.com· Published Jan 22, 2026· 16% of score
CBS LA: underground heavy rail along the Sepulveda Corridor was advanced by the Metro^[1] Board of Directors on Thursday (22 January 2026).

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1Metro Picks an Underground Subway for the Sepulveda Pass

Transport09/24/2026@BuildDesk
Metro's D Line Subway Reaches Westwood and the VA Campus
Westwood/UCLA Station, Westwood, Los Angeles, CALos Angeles County Metropolitan Transportation Authority
Starts 12/20/2027ESTIMATED 75% CONFIDENCEin 1.2 yearsMetro's^[1][3][4] D Line fact sheet forecasts Section 3 "Operations: Fall 2027", repeated in its September 9, 2026 community-meeting schedule; a season takes its last day.
Section 3 completes the nine-mile D Line extension with 2.56 miles and stations at Westwood/UCLA and Westwood/VA Hospital, putting the subway within reach of UCLA before the 2028 Olympics.
0.67
Transport09/20/2026@BuildDesk
First Section of São Paulo's Line 6-Orange Opens for Trial Service
Água Branca, São Paulo, BrazilAcciona
Starts 07/02/2026CONFIRMED 90% CONFIDENCE84 days agoThe report states that "the first 5.2 km section of São Paulo's metro network's Line 6 (Orange) opened on July 2".^[1]
Six stations opened along a 5.2 km stretch between João Paulo I and Perdizes, among them Água Branca, which at 47.8 metres is the deepest metro station in South America. Trains run on weekdays from 10.00 to 15.00 and are free for now; the finished line is to run 15.3 km with 15 stations from Brasilândia to São Joaquim.
0.67
Transport09/20/2026@BuildDesk
Second Avenue Subway Phase 2 Breaks Ground in East Harlem
125th Street and Second Avenue, East Harlem, New York, NY 10035Metropolitan Transportation Authority
Starts 06/08/2026CONFIRMED 90% CONFIDENCE108 days agoHappened as dated: the announcement of 8 June 2026 is headed "Governor Hochul Celebrates Groundbreaking for Major Construction Stage of Second Avenue Subway Phase 2 Project".^[1]
The MTA started the major construction stage of the 1.5-mile extension that carries the Q from 96th Street to Harlem-125th Street, with new stations at 106th, 116th and 125th Streets. A tunnel boring machine goes underground in early 2027 and trains are due in 2032.
$7B
0.66
Transport09/15/2026@BuildDesk
NYC Targets 2030s for the Interborough Express
Bay Ridge, Brooklyn, New York, USAMetropolitan Transportation Authority
Starts 12/31/2033ESTIMATED 66% CONFIDENCEin 7.3 yearsGiven as scheduled, per the source^[1]: "officials said they expect the first trains to run in the 2030s."
The MTA is pushing ahead on a new light rail line linking Brooklyn and Queens via a freight corridor that has never had passenger subway service.
$5.5B
0.66
Transport09/14/2026@BuildDesk
Bogotá Metro Line 1 Targets 2028 Opening
Bogotá, Colombia
Starts 03/15/2028ESTIMATED 69% CONFIDENCEin 1.5 yearsA target, per the source^[1]: "Bogotá Mayor Carlos Fernando Galán has confirmed that the first passengers will be able to ride Line 1 of the Metro on March 15, 2028," with construction 60% complete as of mid-2025.
After more than 80 years of proposals, Bogotá's first metro line, an elevated 24km driverless railway, is targeted to carry its first passengers in 2028.
$4B
0.66
Transport09/24/2026@BuildDesk
Metro's D Line Subway Reaches Beverly Hills and Century City
Los Angeles County Metropolitan Transportation AuthorityCentury City station, Century City, Los Angeles, CA
Starts 06/20/2027ESTIMATED 76% CONFIDENCEin 269 daysThe City of Beverly Hills^[1] says Section 2 "is under construction and scheduled for completion in Spring 2027", and Metro's^[2][4] September 2026 schedule gives Section 2 operations as "Spring 2027"; a season takes its last day.
Section 2 of the D Line extension adds 2.59 miles of subway and two stations, Beverly Drive and Century City, carrying the line west from Wilshire/La Cienega.
0.66
Transport09/20/2026@BuildDesk
Mumbai's Aqua Line Metro Reaches Cuffe Parade, Completing the Line
Cuffe Parade, Mumbai, Maharashtra, IndiaMumbai Metro Rail Corporation
Starts 10/08/2025CONFIRMED 90% CONFIDENCE351 days agoThe article states the final stretch "from Acharya Atre Chowk to Cuffe Parade was inaugurated by Modi, along with the Navi Mumbai International Airport on 8 October 2025".^[1]
The last 10.99 km stretch, from Acharya Atre Chowk to Cuffe Parade, opened to passengers and completed the 33.5 km Aqua Line, Mumbai's first fully underground metro with 27 stations. The Mumbai Metro Rail Corporation's managing director put the line's completion cost at about 30,000 crore rupees.
0.66
Transport09/20/2026@BuildDesk
Metro's D Line Subway Extension Opens Its First Three Stations
Wilshire/La Cienega station, Wilshire Blvd at La Cienega Blvd, Beverly Hills, CA 90211Los Angeles County Metropolitan Transportation Authority
Starts 05/08/2026CONFIRMED 90% CONFIDENCE139 days agoMetro's^[1] own project page says of Section 1, "This Opened on May 8, 2026."
LA Metro opened Section 1 of the D Line subway extension, carrying the Wilshire Boulevard subway 3.9 miles west of Wilshire/Western to new stations at La Brea, Fairfax and La Cienega. It is the line's first extension since 1996 and the first of three sections Metro wants running before the 2028 Olympics.
0.66
Transport09/15/2026@BuildDesk
Metropolitan Railway Opens the World's First Underground Line
Paddington to Farringdon, London, United KingdomMetropolitan Railway
Starts 01/10/1863CONFIRMED 82% CONFIDENCE163.7 years agoThe London Transport Museum and Britannica^[2] both date the Metropolitan Railway's opening between Paddington and Farringdon to January 10, 1863.
The Metropolitan Railway opened between Paddington and Farringdon on January 10, 1863, the world's first underground railway and the ancestor of every metro system shown in Moving Millions Every Day.
0.65
Transport09/15/2026@BuildDesk
Second Avenue Subway Phase One Opens as World's Priciest Subway
2nd Ave & E 96th St, Manhattan, New York
Starts 01/01/2017CONFIRMED 90% CONFIDENCE9.7 years agoHappened as dated, per the source^[1]: "The first phase of this new line, with three new stations on Manhattan's Upper East Side, opened on January 1, 2017."
New York opened the first phase of the Second Avenue Subway, a century-delayed project that became the world's most expensive subway on a per-mile basis.
$4.45
0.65
Transport09/11/2026@ThePinGang
Lima Metro Line 2 Fully Open
Lima, Peru
Starts 12/01/2028ESTIMATED 51% CONFIDENCEin 2.2 yearsGiven as a target, not a fixed date, per en.wikipedia.org^[1]: "…ne is currently under construction, and projected to be completed by 2028.[citation needed] New line…"
A 35 km fully underground east-west line beneath Lima, cutting a two-hour surface trip to about 45 minutes. Estimated date.
$5.4B
0.65
Transport09/24/2026@BuildDesk
Metro Opens the Rail to Rail Bike and Walk Path Through South LA
Los Angeles County Metropolitan Transportation AuthorityWest Slauson Avenue, Vermont Square, Los Angeles, CA 90044
Starts 05/17/2025CONFIRMED 89% CONFIDENCE1.4 years agoMetro's^[1] release dated May 17, 2025 says it "hosted a 'rolling dedication' and community fair this morning to celebrate the grand opening of the Rail to Rail Active Transportation Corridor".
A 5.5-mile walking and biking path on an abandoned freight line along Slauson Avenue, from near the K Line's Fairview Heights station to the A Line's Slauson station, built for $166 million.
$166M
0.65

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