2026 in rail transport

February

 * 🇹🇭 – Scheduled MRT Orange Line Phase 2 Western Extension opening.

May

 * 🇺🇸 – Planned completion of the Stockton Diamond grade separation project.

June

 * 🇧🇷 – São Paulo Metro Line 17 expected to start operation.
 * 🇲🇽 – Metrorrey Lines 4 and 6 are expected to be opened on or before this time.

August

 * 🇸🇰 –  Planned completion of the Poprad-Vydrník section of the core Bratislava-Žilina-Košice railway being able to run trains up to 160km/h.

September

 * 🇧🇷 – São Paulo Metro Line 6 planned opening.

December

 * 🇲🇾🇸🇬 – Planned opening of the cross-border Johor Bahru–Singapore Rapid Transit System.

Unknown date

 * 🇦🇺 – Inland Rail completion.
 * 🇦🇺 – Sydney Metro Western Sydney Airport line expected to start operation.
 * 🇧🇷 – São Paulo Metro Line 2 extension to Penha station opening.
 * 🇨🇦 – SkyTrain (Vancouver) Extension of the Millennium Line to Arbutus from VCC–Clark.
 * 🇫🇮 – Crown Bridges opening.
 * 🇫🇷 – Opening of RER E from Nanterre–La Folie to Mantes-la-Jolie.
 * 🇫🇷 – Opening of Paris Métro Line 16 from Saint-Denis–Pleyel to Clichy–Montfermeil.
 * 🇫🇷 – Opening of Paris Métro Line 17 from Saint-Denis–Pleyel to Le Bourget Aéroport.
 * 🇫🇷 – Opening of Paris Métro Line 18 from Massy-Palaiseau to Christ de Saclay.
 * 🇫🇷 – Lyon Tramway Line T6 extension to La Doua–Gaston Berger.
 * 🇫🇷 – Opening of Lyon Tramway Line T9 from Vaulx-en-Velin–La Soie to Charpennes–Charles Hernu.
 * 🇫🇷 – Opening of Lyon Tramway Line T10 from Gare de Vénissieux to Halle Tony Garnier.
 * 🇫🇷 – Opening of Brest Tramway Line B from Hôpital Cavale to Gare Gambetta.
 * 🇮🇹 – Naples–Foggia railway to be upgraded to 200 kph.
 * 🇮🇹 – Tortona–Genoa high-speed railway expected completion.
 * 🇮🇹 – Expected Bologna tramway opening.
 * 🇮🇹 – Expected opening of Milan Metro Line 1 extension to Monza.
 * 🇮🇱 – Opening of the Tel Aviv Light Rail Purple Line.
 * 🇲🇾 – MRL East Coast Rail Link opening, bringing 160 kph service.
 * 🇸🇬 – Stage 6 of the Circle MRT line is expected to open to make a closed loop.
 * 🇰🇷 – Janghang Line upgrading to 250 km/h.
 * 🇰🇷 – Chungbuk Line upgrading to 230 km/h.
 * 🇸🇪 – Slussenområdet intermodal terminal upgrading completion (started in 2016).
 * 🇬🇧 – Sections of the West Coast Main Line, Midland Main Line, and Anglia to be equipped with ERTMS Level 2 signalling.
 * 🇬🇧 – Earliest expected completion of the Docklands Light Railway extension to Thamesmead.
 * 🇺🇸 – Planned opening (or 2030) of the Inglewood Transit Connector, intended to link the city's sports venues to the Los Angeles Metro Rail system.
 * 🇺🇸 – Estimated restoration of rail service along the Lackawanna Cut-Off, with New Jersey Transit starting commuter service to Andover Township.
 * 🇺🇸 – The segment of the Capitol Corridor running through the East Bay is planned to be rerouted over the Coast Line.
 * 🇺🇸 – Expected date the San Joaquins and Altamont Corridor Express are to be extended to Natomas.
 * 🇺🇸 – Expected date the Altamont Corridor Express is to be extended to Ceres.
 * 🇺🇸 – The Federal Way Extension of the Link light rail system in Seattle is expected to begin service. It extends the 1 Line south from SeaTac to Federal Way with two intermediate stops.