Paris Métro Opens Its First Line · Chronopin

Paris Métro Opens Its First Line · Chronopin

Transport09/11/2026@ThePinGang
Grand Paris Express Line 15 South Opens
Paris, FranceSociété des Grands Projets
Starts 10/01/2026ESTIMATED 58% CONFIDENCEin 8 daysGiven as a target, not a fixed date, per the pin description: "…omated orbital metro ring around Paris. Estimated date.…"
The first stretch of Europe's largest transport project: a 33 km automated orbital metro ring around Paris. Estimated date.
€42B
0.77
Transport09/11/2026@ThePinGang
Bogota Metro Line 1 Opens
Bogota, Colombia
Starts 06/01/2028ESTIMATED 68% CONFIDENCEin 1.7 yearsGiven as a target, not a fixed date, per the pin description: "…s debated building one since the 1940s. Estimated date.…"
An elevated 24 km driverless line, the first metro for a capital that has debated building one since the 1940s. Estimated date.
$4.3B
0.77
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
0.77
Transport09/14/2026@BuildDesk
Thessaloniki Metro Line 1 Opens After Decades of Delay
Venizelou Metro Station, Thessaloniki, Greece
Starts 11/30/2024CONFIRMED 90% CONFIDENCE1.8 years agoHappened as dated, per the source^[1]: "was officially opened on Saturday by Prime Minister Kyriakos Mitsotakis."
Greece's Thessaloniki Metro Line 1 opened to the public, a driverless 9.6km line whose stations doubled as archaeological digs after more than 300,000 ancient artefacts were uncovered during construction.
€3B
0.75
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.
0.74
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.
0.74
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
0.71
Transport09/15/2026@BuildDesk
Madrid–Barcelona High-Speed Line Opens, Completing Spain's Flagship AVE Corridor
Barcelona Sants railway station, Barcelona, SpainAdif
Starts 02/20/2008CONFIRMED 80% CONFIDENCE18.6 years agoWikipedia's^[3] Madrid–Barcelona high-speed rail line article gives 20 February 2008 as the date the complete line opened, after the Madrid–Zaragoza–Lleida section opened in October 2003.
Adif's Madrid–Barcelona high-speed line opened in full on 20 February 2008, cutting the 621km journey to about 2 hours 30 minutes and becoming the backbone of the AVE network that engineering crews are now upgrading for 350km/h running.
0.70
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
0.70
Transport09/20/2026@BuildDesk
Mexico City Metro Line 1 Fully Reopens After Its Rebuild
Pantitlán, Iztacalco, Mexico City, MexicoSistema de Transporte Colectivo
Starts 11/16/2025CONFIRMED 90% CONFIDENCE311 days agoRailway Gazette^[1] reports the line reopening in full on "November 16" 2025, a fixed day now past.
The 19-kilometre, 20-station Line 1 returned to service end to end after a stage-by-stage closure for CRRC's System+ modernisation, which brought new trains, Siemens CBTC signalling and a rebuilt Observatorio station with 13 lifts. Railway Gazette puts the PPP concession behind the work at 32.2 billion pesos.
0.70
Transport09/15/2026@BuildDesk
London's Docklands Light Railway Opens
Poplar, London Borough of Tower Hamlets, London, United Kingdom
Starts 08/31/1987CONFIRMED 85% CONFIDENCE39.1 years agoHappened as dated, per the source^[1]: "opened on 31 August 1987 with 11 trains servicing 15 stations".
The driverless Docklands Light Railway opens to passengers, giving London's redeveloping docklands a low-cost automated metro built largely on disused rail viaducts.
£77M
0.69
Transport09/14/2026@BuildDesk
Dublin MetroLink Finally Wins Planning Approval
St Stephen's Green, Dublin, Ireland
Starts 10/02/2025CONFIRMED 87% CONFIDENCE356 days agoAn Coimisiun Pleanala's^[4] own notice of decision for Railway Order Application ABP-314724-22 (Metrolink - Estuary to Charlemont via Dublin Airport) carries the decision date 02/10/2025, and RTE^[5] reported that day that "An Coimisiun Pleanala published the Railway order this morning which gives construction for the MetroLink Project the green light". The pin's milestone - the grant of planning permission - therefore has an exact day, 2 October 2025; the old date stood for the separate 2027 target for enabling works.
After two decades of false starts, Ireland's first metro line - linking Dublin city centre to the airport and Swords - was granted planning permission, with enabling works targeted to begin in 2027.
0.69