2024 in rail transport

January

 * January 1
 * 🇪🇬 – Line 3 of the Cairo Metro extends from Kit-Kat to Rod El-Farag Corridor.
 * 🇹🇼 – Circular light rail of the Kaohsiung Metro extends from Heart of Love River LRT Station to Kaisyuan Park LRT Station and completes the loop line.
 * 🇹🇼 – Taiwan Railway Corporation takes over operations of Taiwan Railway from the Taiwan Railways Administration.
 * 🇺🇸 – BNSF Railway takes over operations of Montana Rail Link.
 * 🇵🇱 January 8 – Line 18 and Line 50 of the Krakow tramway network extend from Papierni Prądnickich to Górka Narodowa.
 * 🇺🇸 January 13 – Tri-Rail introduces shuttle service between Metrorail Transfer station and MiamiCentral.
 * January 20
 * 🇨🇦 – Metro Line of Edmonton Light Rail Transit extends from the temporary NAIT station to NAIT/Blatchford Market.
 * 🇮🇹 – Rete Ferroviaria Italiana introduces through service between Cirié and Alba and Cirié and Fossano via Line 4 and Line 7 of the Turin Metropolitan Railway Service.
 * 🇱🇻 January 25 – Line 3 and Line 5 of the Daugavpils tramway network extend from Butlerova iela to Stropu ezers.
 * January 27
 * 🇹🇷 – of Tram İzmir opens between Çevre Yolu and Kâtip Çelebi Üniversitesi.
 * 🇺🇸 – Phoenix Valley Metro Rail extends from 19th Avenue/Dunlap to Metro Parkway via Northwest Extension Phase II.
 * 🇹🇷 January 29 – Line M11 of the Istanbul Metro extends from Kağıthane to Gayrettepe.
 * 🇨🇳 January 31 – Line S1 of the Wuxi Metro opens between Jiangyin Bund and Nanfangquan via through service on Line 1.

February

 * February 24
 * 🇧🇷 – Line 1 of the Rio de Janeiro Light Rail extends from Rodoviária to Terminal Intermodal Gentileza.
 * 🇹🇷 – Line M1 of the İzmir Metro extends from Fahrettin Altay to Şehitlik.
 * 🇹🇷 February 26 – Line T6 of Istanbul Tram opens between Sirkeci and Kazlıçeşme.
 * February 29
 * 🇲🇽 – Tren Maya extends from Cancún Airport to Playa del Carmen.
 * 🇳🇬 – Red Line of Lagos Rail Mass Transit opens between Oyingbo and Agbado.

March

 * 🇹🇷 March 4 – Line M1 of the İzmir Metro extends from Şehitlik to Kaymakamlık.
 * 🇵🇱 March 5 – Warsaw tramway network extends from Reduta Wolska to Szpital Wolski.
 * March 6
 * 🇮🇳 – Yellow Line of the Agra Metro opens between Mankameshwar Mandir and Taj East Gate.
 * 🇮🇳 – Delhi–Meerut Regional Rapid Transit System extends from Duhai Depot to Modinagar North.
 * 🇮🇳 – Line 1 of the Kochi Metro extends from SN Junction to Thrippunithura Terminal.
 * 🇮🇳 – Kolkata Metro: Green Line extends via disconnected branch from Howrah Maidan to Esplanade, Purple Line extends from Taratala to Majerhat, and Orange Line opens between Kavi Subhash and Hemanta Mukhopadhyay.
 * 🇮🇳 – Aqua Line of the Pune Metro extends from Ruby Hall Clinic to Ramwadi.
 * March 10
 * 🇹🇷 – Line M3 of the Istanbul Metro extends from Kirazlı to Bakırköy Sahil.
 * 🇵🇱 – Szczecin Metropolitan Railway stage 1 launches, adding a stop and increasing services along 3 existing local routes.
 * 🇺🇿 March 11 – Circle Line of the Tashkent Metro extends from Quruvchilar to Qipchoq.
 * March 16
 * 🇮🇷 – Line 4 of the Tehran Metro extends from Allameh Jafari to Ayatollah Kashani.
 * 🇯🇵 – Hokuriku: Hokuriku Shinkansen extends from Kanazawa to Tsuruga, IR Ishikawa Railway takes over operations of the Hokuriku Main Line between Kanazawa and Daishōji, and Hapi-Line Fukui takes over operations of the Hokuriku Main Line between Daishōji and Tsuruga.
 * 🇯🇵 – E8 Series Shinkansen trains enter service.
 * 🇹🇷 – Line M5 of the Istanbul Metro extends from Çekmeköy to Samandira Merkez.
 * 🇹🇷 March 17 – Akçaray extends from Kanalyolu to Şehir Hastanesi.
 * 🇹🇷 March 18 – Line M9 of the Istanbul Metro extends from Bahariye to Ataköy.
 * 🇹🇷 March 19 – Line M11 of the Istanbul Metro extends from Kargo Terminali to Arnavutköy.
 * 🇯🇵 March 23 – Kita-Osaka Kyuko Railway extends from Senri-Chūō to Minō-Kayano.
 * 🇵🇭 March 27 – PNR Metro Commuter Line ends service.
 * March 28
 * 🇨🇳 – Line 6 of Changchun Rail Transit opens between Shuangfeng and Changchun Movie Wonderland.
 * 🇹🇷 – Line M1 of Bursaray extends from Emek to Geçit-Balat.
 * 🇺🇦 March 29 – New line of Dnipro City Express opens between Dnipro and Synelnykove.
 * 🇰🇷 March 30 – Line A of the Great Train eXpress opens between Suseo and Dongtan.
 * 🇨🇳 March 31 – Line 5 of the Nanjing Metro opens between Jiyindadao and Wenjinglu.

April

 * 🇨🇳 April 1 – Branch of Line 1 of the Shaoxing Metro opens between Huangjiu Town and Daqingsi.
 * 🇫🇷 April 5 – Line T3b of the Île-de-France tramways extends from Marguerite Long to Porte Dauphine.
 * 🇨🇳 April 26 – Line 6 of the Qingdao Metro opens between Lingshanwan and Hengyunshan Road.
 * 🇺🇸 April 27 – 2 Line of Link light rail opens between South Bellevue and Redmond Technology.

May

 * 🇨🇳 May 1 – Line 4 of the Hefei Metro extends via branch from Beiyanhu to Shaomaigang.
 * 🇫🇷 May 6 – RER E of the Réseau Express Régional extends from Haussmann–Saint-Lazare to Nanterre–La Folie.
 * 🇪🇬 May 15 – Line 3 of the Cairo Metro extends from Kit-Kat to Cairo University.
 * 🇺🇸 May 21 – Amtrak introduces Borealis daily service between Chicago and St. Paul by extending one Hiawatha round-trip.
 * May 21 – Talgo AVRIL trains enter service on the AVE network.
 * 🇨🇳 May 26 – Pearl River Delta: Foshan–Dongguan intercity railway opens and the southern ring section of the Guangzhou–Foshan circular intercity railway opens.

June

 * 🇦🇺 June 3 – Extension of the Pakenham line to East Pakenham opens.
 * 🇫🇷 June 13 – Line 11 of the Paris Métro extends from Mairie des Lilas to Rosny–Bois-Perrier.
 * 🇹🇿 June 14 – Tanzania Standard Gauge Railway phase 1 (Dar es Salaam to Morogoro) opens.
 * 🇬🇧 June 16 – Blackpool Tramway extension to Blackpool North railway station opens.
 * 🇪🇸 June 19 – Seville tramway extended to Eduardo Dato station.
 * 🇩🇰 June 22 – Copenhagen Metro M4 extension to Copenhagen South opens.
 * 🇸🇬 June 23 – Mass Rapid Transit Thomson–East Coast Line Stage 4 opens.
 * 🇫🇷 June 24 – Line 14 of the Paris Métro extends north from Mairie de Saint-Ouen to Saint-Denis–Pleyel and south from Olympiades to Aéroport d'Orly.
 * 🇨🇳 June 28 – Line 1 of the Changsha Metro is extended from Kaifu District Government to Jinpenqiu.
 * 🇹🇼 June 30 – Kaohsiung Metro Red line extends to Gangshan, where it interchanges with the Taiwan Railway Western Trunk line.

July

 * July 1
 * 🇨🇳 – Line 1 of the Tianjin Metro is extended from Donggulu to Shuangqiaohe.
 * 🇺🇸 – Tri-Rail introduces express service between West Palm Beach station and MiamiCentral.
 * 🇱🇺 July 7 – Line T1 of the Luxembourg tramway extends to Stade de Luxembourg.
 * 🇦🇺 July 15 &#x2013; Transperth's Joondalup line extended from Butler to Yanchep and the Joondalup line renamed the Yanchep line.
 * 🇮🇹 July 17 – Line 6 of the Naples Metro re-opens after closure in 2013, also extending the line to Municipio.

July

 * – Line 1 of the Ho Chi Minh City Metro expected to open.
 * – Partial opening of Line 3 of the Hanoi Metro.

August
Line 8]] of the Seoul Subway extends north from Amsa station to Byeollae station.
 * 🇦🇺 August 4 - Expected opening of Sydney Metro City extension of the M1 line to Sydenham.
 * 🇰🇷 August 10 – [[Seoul Subway Line 8|
 * 🇦🇺 August 25 - The Port Dock line, a branch of the Outer Harbor line in Port Adelaide, South Australia will open. Port Dock railway station will be the only new station on the branch line, built near the site of the original Port Dock station which closed in 1981.
 * 🇺🇸 August 30 – Lynnwood Extension of the Link light rail system is expected to open in Seattle. It would extend the 1 Line from Seattle's Northgate neighborhood to Lynnwood in Snohomish County, Washington.
 * 🇲🇽 – Line 4 of SITEUR opening.
 * 🇲🇽 – Tren Maya extends from Escárcega to Chetumal.

September

 * 🇲🇽 – El Insurgente commuter rail extends from Lerma to Santa Fe.
 * 🇲🇽 – Line FA of the Tren Interoceánico will open for passenger service.
 * 🇲🇽 – Passenger service on the Line K of the Tren Interoceánico is scheduled to begin first stage: Ixtepec–Arriaga.
 * 🇺🇸 September 1 – Proposed implementation of the San Diego Trolley Copper Line.
 * 🇺🇸 September 21 – Caltrain to begin electrified service along the San Francisco Peninsula.
 * 🇨🇦 – Hurontario LRT opening.

October

 * 🇮🇹 – Estimated opening of the Milan Metro Line 4 extension to San Cristoforo.
 * 🇺🇸 – Amtrak is expected to begin operating the Gulf Coast between New Orleans and Mobile.

December

 * 🇬🇧 – Grand Union scheduled to commence operating between London Paddington and Carmarthen.

Unknown date

 * 🇦🇺 – Opening of Transperth's Morley–Ellenbrook line in late 2024.
 * 🇦🇺 – Parramatta Light Rail expected to open.
 * 🇨🇦 – O-Train Trillium Line Stage 2 expected to open.
 * 🇨🇦 – Expected completion of Toronto's Eglinton Crosstown light rail project.
 * 🇨🇦 – Expected opening of the Line 6 Finch West.
 * 🇨🇳 – Airport Link Line in Shanghai opening.
 * 🇪🇬 – Alexandria – Aswan HSL claimed opening.
 * 🇪🇪 – Proposed completion of Tallinn-Tartu line electrification.
 * 🇮🇳 – Opening of Bhoj Metro.
 * 🇮🇳 – Opening of the Yellow Line of the Indore Metro.
 * 🇮🇹 – The Catania Metro is extended to Monte Po station.
 * 🇱🇺 – Introduction of CFL's new Coradia Stream High Capacity trains.
 * 🇪🇸 – Opening of Phase 1 of the Diagonal extension of the Barcelona Tram.
 * 🇪🇸 – Planned completion of the extension of Madrid Metro line 3 to El Casar.
 * 🇬🇧 – Great British Railways to take over as owner of the UK rail network from Network Rail
 * 🇺🇸 – Buffalo Metro Rail DL&W station/new metro rail station across South Park from the KeyBank Center.
 * 🇺🇸 – The MAX Red Line is planned to be extended to Fair Complex/Hillsboro Airport, completing a direct rail link from Hillsboro Airport to Portland International Airport.
 * 🇺🇸 – Avelia Liberty trains are expected to be introduced, eventually replacing Acela Express trains along the Northeast Corridor.
 * 🇺🇸 – The remaining segment of the Los Angeles Metro Rail's K Line from to the C Line is expected to be opened in late 2024.
 * 🇺🇸 – SunRail extends north from DeBary to DeLand.