Skip to content

Second Avenue Subway Phase 2 Opens · Chronopin

Search

TransportPosted 09/11/202609/11/2026 at 4:34 am·@ThePinGang To timeline

Starts 12/01/2032 ESTIMATED 69% CONFIDENCEGiven as a target, not a fixed date, per the pin description: "…tury after the line was first proposed. Estimated date.…"

Start: Dec 1, 203250% CONFIDENCEfrom the source

Second Avenue Subway Phase 2 Opens

The Q train extends north to 125th Street in East Harlem, a century after the line was first proposed. Estimated date.

Phase 2 of the Second Avenue Subway extends the Q 1.5 miles from 96th Street to 125th Street in East Harlem, with new stations at 106th, 116th and 125th Streets; construction began June 2026^[1][2]
Cost was reported at $6 billion by Wikipedia and $6.99 billion by amNewYork, which said it was "slated to open in September 2032"^[1][3]
Contract 2 ($1.97 billion, Connect Plus Partners) covers tunnelling from 116th to 125th Street; Contract 3 went to the Skanska-Walsh-Traylor JV for 106th Street in June 2026; tunnel boring from 120th Street begins 2027^[2][3]
A November 2023 full funding grant agreement provides $3.4 billion in federal funding^[2]
Phase 1 opened January 1, 2017 (72nd, 86th, 96th Streets, $4.45 billion); the line was first proposed in 1920; the full 10-mile line is projected at more than $24.7 billion^[1]
Phases 1 and 2 together are expected to carry about 300,000 riders a day; Phase 2 alone about 110,000^[2][3]

Cost $17B

0

References 369% 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]50%
en.wikipedia.org/wiki/Second_Avenue_Subway
en.wikipedia.org· Posted Sep 11, 2026· Starts Dec 1, 2032 ✓· 45% of score
Given as a target, not a fixed date, per the pin description: "…tury after the line was first proposed. Estimated date.…"
[2]85%
Second Avenue Subway Phase 2
mta.info· Added Sep 14, 2026· 45% of score
The MTA's own project page is the authoritative primary source for Second Avenue Subway Phase 2's status, consistent with the pin's "estimated date" framing, though a 403 error blocked retrieval of its text to quote a specific date.
[3]78%
MTA to approve $1.97 billion tunneling contract to push Second Avenue subway into East Harlem
amny.com· Published Aug 15, 2025· 10% of score
amNewYork reports the project is "slated to open in September 2032," corroborating the pin's stored estimated December 2032 date to within the same year, while noting the tunnel boring machine wasn't even expected until 2027.^[1]

Suggest a correction

Something missing or wrong? Say it in your own words: a link that backs this pin up, a different start or end date and why, or a fact it lacks or gets wrong. The AI checks it against this pin's sources, searches for better ones, and adds any page that backs you up. The pin's own sources still count most.

East Harlem, New York

Comments

Comments

Thread

Respond to this Pin

1Second Avenue Subway Phase 2 Opens

More like this

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
0.78
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% CONFIDENCE107 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
0.71
Transport09/11/2026@ThePinGang
HS2 London to Birmingham Opens
Birmingham, EnglandHS2 Ltd
05/01/2036 - 10/31/2039ESTIMATED 66% CONFIDENCEin 9.6 yearsGiven as a target, not a fixed date, per the pin description: "…after cancellations and cost overruns. Estimated date.…"
Britain's second high-speed line, cut back to a single Phase 1 route after cancellations and cost overruns. Estimated date.
£95.2B
0.70
Transport09/11/2026@ThePinGang
Sydney Metro West Opens
Sydney MetroParramatta, New South Wales
Starts 12/31/2032DELAYED4 years late63% CONFIDENCEin 6.3 yearsSydney Metro’s^[2] own project overview targets "an opening date of 2032", a year rather than a day, so it sits at the end of that year.
A driverless metro doubling rail capacity between Parramatta and the Sydney CBD. Estimated date.
A$27B
0.68
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
0.67
Architecture09/15/2026@BuildDesk
2 World Trade Center Construction Restarts
200 Greenwich Street, New York, NY, USASilverstein Properties
Starts 07/09/2026CONFIRMED 88% CONFIDENCE76 days agoHappened as dated, per the source^[1]: a "groundbreaking ceremony held for new 2 World Trade Center" took place on "July 9, 2026".
After 14 years of stalled foundations, construction officially restarted on 2 World Trade Center with a groundbreaking ceremony, anchored by American Express as its future headquarters tenant.
0.67
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
Transport09/20/2026@BuildDesk
Scarborough Subway Extension Opens on Line 2
Scarborough Centre, Scarborough, Toronto, Ontario, CanadaMetrolinx
Starts 12/31/2033DELAYED3 years late40% CONFIDENCEin 7.3 yearsThe article says "reports suggest the project may not open until 2033", a year with no fixed day, so the pin sits at the end of 2033.^[1]
The 7.8-kilometre extension carries Line 2 Bloor-Danforth east from Kennedy station to three new stops - Lawrence and McCowan, Scarborough Centre and a terminal at McCowan and Sheppard - replacing the Line 3 RT shut in 2023, and is projected to carry about 105,000 trips a day. Infrastructure Ontario values the stations, rail and systems contract alone at $5.7 billion.
0.65
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% CONFIDENCE138 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.
0.65
Transport09/11/2026@ThePinGang
Ontario Line Opens in Toronto
Toronto, OntarioMetrolinx
Starts 09/01/2031ESTIMATED 62% CONFIDENCEin 4.9 yearsGiven as a target, not a fixed date, per en.wikipedia.org^[1]: "…, Plenary Americas, and Webuild) with a projected in-service date of 2031.[37] The contract was valu…"
A 15.6 km automated subway across Toronto with 15 stations, built to relieve the overloaded Line 1. Estimated date.
C$34B
0.65
Transport09/20/2026@BuildDesk
Austin-Bergstrom Opens Concourse B and Its Passenger Tunnel
Concourse B site, Austin-Bergstrom International Airport, 3600 Presidential Boulevard, Austin, TX 78719, United StatesAustin-Bergstrom International Airport
Starts 01/01/2030DELAYED3 years late40% CONFIDENCEin 3.3 yearsThe airport's own programme page says Concourse B and its tunnel are "estimated to open in the early 2030s", a span rather than a date.^[1]
The airport's second concourse is a standalone midfield building south of the Barbara Jordan Terminal, reached by an underground walkway with moving walkways, and carries a new integrated baggage system. It is meant to open alongside the $865 million Arrivals and Departures Hall under the Journey With AUS programme.
$1.1B
0.65
Transport09/20/2026@BuildDesk
Four Rebuilt Red Line Stations Open on Chicago's North Side
Lawrence to Bryn Mawr, Uptown and Edgewater, Chicago, IllinoisChicago Transit Authority
Starts 07/20/2025CONFIRMED 90% CONFIDENCE1.2 years agoThe CTA's announcement says "four fully reconstructed Red Line stations in Edgewater and Uptown will open on Sunday, July 20, 2025".^[1]
The Lawrence, Argyle, Berwyn and Bryn Mawr stations reopened fully accessible, with elevators and escalators at main entrances, wider platforms, translucent overhead canopies and new public artwork. They sit on 1.3 miles of new track structure, bridges and viaducts built between Lawrence and Bryn Mawr under the CTA's $2.1 billion Red and Purple Modernization Phase One project.
0.64