The year marks the bicentenary of the Stockton and Darlington Railway, considered to be the first operational passenger railway. Several events in the United Kingdom were held to celebrate the bicentenary as part of the Railway 200 program.
Events January 1 January – Line 5 of the Hangzhou Metro extends to East Nanhu from Jinxing. – Donghae Line of the Korail Network opens between Yeongdeok and Samcheok. 2 January – Bitong line of the Chongqing Suburban Railway opens between Bishan and Tongliangxi. 3 January – Baku-Balakən Route of the Azerbaijan Railways reopens between Baku and Balakən. 5 January – Magenta Line of the Delhi Metro extends to Krisna Park from Janakpuri West. – New Ashok Nagar To Meerut South Section of the Delhi–Meerut RRTS opens between New Ashok Nagar and Meerut South. – Line 3 of the Riyadh Metro opens between Jeddah Road and Khashm Al An. 6 January – O-Train: Line 2 reopens and extends to Limebank from Greenboro; Line 4 opens between Airport and South Keys. – Nice Tramway Network: Line B opens between Nice Côte d'Azur Airport Terminal 2 and CADAM; Line 3 is rerouted between Saint Isidore and . – Turquoise Line of the Lusail Tram opens between Rawdat Lusail and Crescent Park – North as a loop line. – Otogar–Opera Line of the Eskişehir Estram opens between Otogar and Opera. 7 January – Line 1 of the Tampere Light Rail extends to Lentävänniemi from Santalahti. 10 January – Line 4 of the Ningbo Metro extends to Cicheng West from Cicheng. 11 January – Gyooe Line of the Korail Network reopens between Daegok and Uijeongbu. 19 January – Chūō Line of the Osaka Metro extends to Yumeshima from Cosmosquare. 20 January – Kumanovo-Beljakovce Line of the Macedonia Railways reopens between Kumanovo and Beljakovce. – Southern Section of the Jungang Line opens between Cheongnyangni and Gyeongju. 25 January – Qingyuan Maglev Tourist Line opens between and . – Line T2 of the Florence Tramway Network extends to San Marco-Universita from Fortezza. – Line D of the Tunis TFR opens between Tunis and Gobâa. 27 January – Line 9 of the São Paulo Metro extends to Varginha from Mendes-Vila Natal. – Cuneo-Savigliano Line of the Arenaways reopens between Cuneo and Savigliano.
February
1 February – Trieste–Opicina Tramway reopens between Piazza Oberdan and Villa Opicina. 3 February – Hanko–Hyvinkää railway of the Finnish Railways is electrified between Hyvinkää and Karis. 5 February – Brussels-Venice Route of the European Sleeper opens between Brussels and Venice. 8 February – Trenitalia introduces new passenger services between Venice and Nova Gorica. 9 February – Leixões Line of the Comboios de Portugal reopens between Contumil and Leixões. 11 February – Georgian Railway resumes passenger services between Tbilisi and Ozurgeti. 12 February – Line 1 of the (Lijiang Snow Mountain Sightseeing Train) opens between and . 15 February – The New Delhi railway station crowd crush, in which at least 18 people lost their lives. 20 February – Haniska pri Košiciach – Moldava nad Bodvou Line is electrified between Haniska pri Kosiciach and Moldava nad Bodvou. 22 February – Line 1 of the Taiyuan Metro opens between Helongwan and Wusu 1 Hao / 2 Hao Hangzhanlou. 27 February – Jerusalem Light Rail extends to Neve Yaakov from Heil Ha-Avir; also extends to Hadassah Ein Kerem from Mount Herzl.
March 1 March – Kazakhstan Temir Joly introduces new passenger service between Almaty and Balkhash. 2 March – Line T1 of the Luxembourg Tramway Network extends to Luxembourg Airport-Findel from Luxexpo. 3 March – Passenger services resume on part of the after over 40 years. 9 March – Passenger services resume between Tehran and Van. 15 March – Zhengzhou-Kaifeng intercity railway extends to Kaifeng railway station from Songchenglu. – Extension of KTM ETS services to Segamat from Gemas. 23 March – The section of Transilien Line P between Esbly and Crécy-la-Chapelle becomes line T14 of the Ile-de-France Tramway Network. 24 March – As part of the South Coast Rail project, the Fall River/New Bedford Line of the MBTA opens from Boston to New Bedford and Fall River. 28 March – Tashkent-Xoʻjakent Railway is extended from Xoʻjakent to Chinorkent. 31 March – The Culoz–Modane railway and the Turin–Modane railway reopen between Saint-Jean-de-Maurienne and Oulx following a 2023 landslide.
April
1 April – Line S61 of Esko Prague opens between Praha-Vršovice and Úvaly. – Line 1 of the Naples Metro extends to Centro Direzionale from Garibaldi. – Keisei acquires the Shin-Keisei Railway and its lone route is renamed to the Matsudo Line. – Nankai acquires the Semboku Rapid Railway and its lone route is renamed to the Semboku Line. 4 April – La Dolce Vita Orient Express launches, starting between Rome and Montalcino. – AŽD resumes passenger services between Kopidlno and Dolní Bousov as Automatic train operation. 6 April – New Pamban Bridge opens. – Comboios de Portugal resumes passenger services between Mangualde and Vilar Formoso. – Maho-Omanthai railway is upgraded. 17 April – Airport MRT of the Ürümqi Metro opens between International Airport and International Airport North. 19 April – Katra to Banihal Section of the Jammu–Baramulla Line opens between Katra and Banihal. 21 April – Line 3 of the Madrid Metro extends to El Casar from Villaverde Alto. 22 April – EFE resumes passenger services between Puerto Montt and Llanquihue after 18 years. 23 April – Barcelona-Seville AVE high speed service starts operations. 26 April – Hedjaz Jordan Railway launches first tourist train in Mafraq. 27 April – Yellow line of the Ahmedabad Metro is extended from Sector-1 to Sachivalaya. 28 April – Liege Tramway Network opens between Sclessin, , and .
May
1 May – Rīgas Satiksme introduces new tram route 14 between Iļģuciems and Kengarags; tram route 2 is extended to Milgravis and now will run as route 8; route 10 will start from Central tirgus. – Routes 8, 9 and 10 of Saratov tram reopen as light rail. 2 May – Vande Bharat launches passenger services between Nagpur and Mumbai. 3 May – Line 2 of the Mashhad Urban Railway extended from Shahid Kaveh to Shahid Fakouri. 8 May – Line 3 of the Mashhad Urban Railway opens between Imam Reza Terminal and Shohada. 9 May – Railways of Novorossiya introduces new passenger trains to Donetsk. – Snälltåget extends night trains to Chemnitz. 10 May – Line 3 of the Mumbai Metro extends to Acharya Atrey Chowk from Bandra - Kurla Complex. – 2 Line of Link light rail extends to Downtown Redmond from Redmond Technology. 13 May – New BEMUs manufactured by Končar enter service between Zagreb and Bjelovar. 16 May – Line 4 of the Ningbo Metro extends to International Conference Center from Dongqian Lake. 20 May – Pink Line of the Bangkok MRT branches off from Muang Thong Thani to Lake Muang Thong Thani. 23 May – Line 1 of the Nantes tramway extends from Ranzay to . 25 May – The Labour government renationalisation of Great Britain's railways begins as train operator South Western Railway is taken into public ownership. – Passenger services resume between Nanning and Hanoi. 29 May – A tourist train launched between Xi'an and Almaty. – Central Line of the Metrorail Western Cape reopens. 30 May – Orange Line of the Kanpur Metro extends to Kanpur Central from Moti Jheel. 31 May – Yellow Line of the Indore Metro opens between Gandhi Nagar and Super Corridor 3. – Sonoma–Marin Area Rail Transit extends to Windsor from Sonoma County Airport.
June
3 June – Passenger services resume between Beijing and Ulaanbaatar on the Trans-Mongolian Railway. 6 June – Jammu–Baramulla line is inaugurated. – Los Angeles Metro Rail: The C Line extends to the LAX/Metro Transit Center from Aviation/Century and the K Line extends to Aviation/Century from Westchester/Veterans. 7 June – B Line of Valley Metro Rail & Streetcar opens from the Downtown Phoenix Hub to Baseline/Central Avenue. 8 June – Petrozavodsk City Rail opens between Kondopoga and Derevyanka as well as Ladva-Vetka. 9 June – Thornlie railway line is extended from Thornlie to Cockburn Central. – Passenger service resumes between Zaragoza and Canfranc. 15 June – Baku-Agstafa route of Azerbaijan Railways extends to Qazax. – Trenitalia France service between Paris and Marseille begins. – Passenger services resume between Jelenia Góra and Karpacz. 16 June – First passenger train launched between Kirov and Kirovo-Chepetsk.| – Eifel Railway reopens. – Sialkot Express service relauched between Lahore and Sialkot. 17 June – Passenger service resumes between Moscow, Khabarovsk and Pyongyang. 18 June – Tianshui Tram extends to Jingkun Xijun Sanzhong from Wulipu and from Yangpodong to Tianshui Jichang. 20 June – Line 2 of Guangzhou Huangpu Tram opened between Xiangxue Subway Station and Kaiyuan Rd East. – New passenger train launched between Zagreb and Ljubljana via Pula. 21 June – Pune Metro adds Khadki as an infill station on the Purple Line. 22 June – reopens. 24 June – The first electric train launched between Faro and Vila Real de Santo Antónion. 25 June – Wonsan Tram opens.North Korea formally unveils new beach tramway Tramways & Urban Transit issue 1053 September 2025 page 331 27 June – opens between Chongqing East and Qianjiang. – The second branch of Line 6 of the Chongqing Rail Transit opened from Liujiaping to Chongqingdong Railway Station. – PKP Intercity introduces new passenger service between Warsaw and Rijeka. – Moscow Monorail suspends service. 28 June – Line 1 of the Incheon Subway extends to Geomdan Lake Park from Gyeyang. – Nanchang Metro: Line 1 extended north to Changbei Airport from Shuanggang and east from Yaohu Lake West to Maqiu; Line 2 extends to Nanchang East Railway Station from Xinjia'an. – Line 19 of the Warsaw tram extends to Stegny. 29 June – Guangzhou Metro: Line 10 opens between Xilang and Yangji East; Line 12 opens in two separate sections: one between Xunfenggang and Guangzhou Gymnasium and another one between Ersha Island and Higher Education Mega Center South. – Transdev Rail Sud Inter-Métropoles takes over TER Provence-Alpes-Côte d'Azur service between Marseille and Nice, previously operated by SNCF Voyageurs. 30 June – Line 8 of the Ningbo Metro opens between Hansong Road and Kaiyuan Road. – Line 1 of the Shaoxing Metro extends to Exhibition And Convention Center from Daqingsi. – Line 1 of the Shenyang Metro extends to Shuangma from Limingguangchang.
July 3 July – Line M1 of the Palma Metro extends from UIB to Parc Bit. 4 July – FS Treni Turistici Italiani launches night trains between Rome and Marseille. 5 July – Trenitalia launches a direct train between Verona and Chioggia. 8 July – The northern section of Line 4 of the Tianjin Metro opens between Xiaojie and Xizhan. 11 July – The first battery train in Denmark enters service between Vemb, Lemvig and Thyborøn. 14 July – Tauern Tunnel reopens. – enters operation. – Vy resumes passenger service between Malmö and Oslo. 21 July – opens in Concepción, Chile. 26 July – Wigan-Bolton railway is electrified. 27 July – Route 3 of the Bratislava Tramway Network extends to Južné Mesto from Jungmannova. 30 July – Zeithain–Leckwitz section of the Leipzig-Dresden line upgraded from 120 to 160 km/h after level crossing removals.
August 1-3 August – The Greatest Gathering, locomotive exhibition at Derby Litchurch Lane Works—celebrating 200 years since the opening of the Stockton and Darlington Railway. 1 August – First phase of railway link to Prague International Airport opens between Praha–Bubny and Výstaviště. 3 August – Ekimae Ohashi Line of the Hiroshima Electric Railway opens between Hiroshima Station and Hijiyama-shita. 4 August – The is electrified between Wettmannstätten and Wies, allowing service to Graz via the Koralm Railway. 5 August – The Dearne Valley line is electrified between Church Fenton and York, as part of the Transpennine Route Upgrade.