2025 in rail transport

January

 * 🇺🇸 January 6 – The 99-year lease on Moffat Tunnel in Colorado is set to expire.
 * 🇫🇮 – Tampere light rail extension to Lentävänniemi.
 * 🇺🇸 – Planned completion of Los Angeles Metro Rail Foothill Extension to Pomona, California.
 * 🇱🇺 – Line T1 of the Luxembourg tramway will be extended to Luxembourg Airport-Findel.
 * 🇯🇵 – Planned opening of the Osaka Metro Chūō Line extension to Yumeshima.

March

 * 🇮🇳 – Latest planned opening of Patna Metro.

April

 * 🇮🇳 – Delhi–Alwar Regional Rapid Transit System to be completed, allowing speeds up to 160 km/h.

May

 * 🇺🇸 – Estimated start of South Shore Line service along the West Lake Corridor in Northwest Indiana.
 * 🇹🇷 – M10 of Istanbul Metro extension from Fevzi Çakmak to Pendik Merkez.

August

 * 🇹🇭 – Earliest expected MRT Orange Line opening.


 * 🇺🇸 – The OC Streetcar is projected to open.

December

 * 🇺🇸 December 30 – The LAX Automated People Mover is projected to open.
 * 🇩🇪 – Expected completion of Stuttgart 21 railway.
 * 🇩🇪 – Expected completion of Stuttgart–Wendlingen high-speed railway.
 * 🇬🇧 – Expected completion of East Kilbride Electrificaton.

Unknown date

 * 🇦🇺 – Transperth's Armadale and Thornlie lines reopen after an 18-month closure for the Victoria Park-Canning Level Crossing Removal Project. At the same time, the Thornlie–Cockburn Link and the extension of the Armadale line to Byford will open.
 * 🇦🇺 – Metro Tunnel is planned to open, connecting north and south railway lines in Melbourne.
 * 🇨🇳 – Shanghai Metro is claimed to exceed 1000 km length.
 * 🇩🇰 – Greater Copenhagen Light Rail opening.
 * 🇫🇷 – Opening of the southern section of Paris Métro Line 15, between Pont de Sèvres and Noisy–Champs.
 * 🇫🇷 – Opening of Câble 1 in the Paris/Île-de-France region.
 * 🇫🇷 – Paris Métro Line 13 automation start (end in 2027).
 * 🇮🇳 – Delhi Metro network to exceed 450 km.
 * 🇮🇳 - Indian Railways plans on launching the Vande Bharat, a new Vande Bharat Express trainset, in 2024.
 * 🇳🇿 – Projected opening of the Auckland City Rail Link.
 * 🇵🇭 – Makati Intra-city Subway opening.
 * 🇵🇭 – The first phase of the North–South Commuter Railway is scheduled to partially open.
 * 🇸🇬 – Circle MRT line final extension to make closed full loop.
 * 🇹🇼 – Wanda–Zhonghe–Shulin line opening.
 * 🇹🇼 – Extension of in Taipei to  opens.
 * 🇬🇧 – West Midlands Metro Eastside extension is planned to be put into operation, providing connections to Birmingham Airport and High Speed 2.
 * 🇬🇧 – Latest expected date of the Oxford–Bedford railway reopening.
 * 🇺🇸 – Planned completion of the MBTA South Coast Rail Phase I to New Bedford and Fall River, Massachusetts.
 * 🇺🇸 – Los Angeles County Metropolitan Transportation Authority D Line Extension Section 1 expected to open.
 * 🇺🇸 – Earliest expected date that Monterey County Rail Extension service in California will link Salinas to San Francisco.
 * 🇺🇸 – Phoenix Valley Metro Rail South Central Extension/Downtown Hub project is expected to open to passenger operations as the second light rail line in the metro area.
 * 🇺🇸 – Planned extension of Honolulu's Skyline to Middle Street.
 * 🇺🇸 – The final section of the 2 Line of the Link light rail system in Seattle is expected to begin service, connecting the city to the suburbs of Bellevue and Redmond. It will be the first rail system to use a fixed floating bridge.
 * 🇺🇸 – Dallas Silver Line commuter rail expected to open.
 * 🇺🇸 – Planned opening of Dreamstar Lines' night train between Los Angeles Union Station and San Francisco 4th and King Street station.
 * 🇺🇸 – Planned opening of 3 mile SMART service extension from Sonoma County Airport to Windsor California.