Events
January
- 1 January
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– Line 5 of the Hangzhou Metro extends to East Nanhu from Jinxing. [2] -
– Donghae Line of the Korail Network opens between Yeongdeok and Samcheok. [3]
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- 2 January– Bitong line of the Chongqing Suburban Railway opens between Bishan and Tongliangxi. [4]
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3 January– Baku-Balakən Route of the Azerbaijan Railways reopens between Baku and Balakən. [5] - 5 January
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– Magenta Line of the Delhi Metro extends to Krisna Park from Janakpuri West. [6] - – New Ashok Nagar To Meerut South Section of the Delhi–Meerut RRTS opens between New Ashok Nagar and Meerut South. [7]
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– Line 3 of the Riyadh Metro opens between Jeddah Road and Khashm Al An. [8]
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- 6 January
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– O-Train: Line 2 reopens and extends to Limebank from Greenboro; Line 4 opens between Airport and South Keys. [9] -
– Nice Tramway Network: Line B opens between Nice Côte d'Azur Airport Terminal 2 and CADAM; Line 3 is rerouted between Saint Isidore and Port Lympia . [10] -
– Turqoise Line of the Lusail Tram opens between Rawdat Lusail and Crescent Park – North as a loop line. [11] -
– Otogar–Opera Line of the Eskişehir Estram opens between Otogar and Opera. [12]
-
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7 January– Line 1 of the Tampere Light Rail extends to Lentävänniemi from Santalahti. [13] - 10 January– Line 4 of the Ningbo Metro extends to Cicheng West from Cicheng. [14]
- 11 January– Gyooe Line of the Korail Network reopens between Daegok and Uijeongbu. [15]
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19 January – Chūō Line of the Osaka Metro extends to Yumeshima from Cosmosquare. [16] - 20 January
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– Kumanovo-Beljakovce Line of the Macedonia Railways reopens between Kumanovo and Beljakovce. [17] - – Southern Section of the Jungang Line opens between Cheongnyangni and Gyeongju. [18]
-
- 25 January
- – Qingyuan Maglev Tourist Line opens between Yinzhan and Chimelong Forest Kingdom. [19]
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– Line T2 of the Florence Tramway Network extends to San Marco-Universita from Fortezza. [20] -
– Line D of the Tunis TFR opens between Tunis and Gobâa. [21]
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- 27 January
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– Line 9 of the São Paulo Metro extends to Varginha from Mendes-Vila Natal. [22] - – Cuneo-Savigliano Line of the Arenaways reopens between Cuneo and Savigliano. [23]
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February
- 1 February– Trieste–Opicina Tramway reopens between Piazza Oberdan and Villa Opicina. [24]
- 3 February– Hanko–Hyvinkää railway of the Finnish Railways is electrified between Hyvinkää and Karis. [25]
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5 February – Brussels-Venice Route of the European Sleeper opens between Brussels and Venice. [26] -
8 February – Trenitalia introduces new passenger services between Venice and Nova Gorica. [27] -
9 February – Leixões Line of the Comboios de Portugal reopens between Contumil and Leixões. [28] -
11 February – Georgian Railway resumes passenger services between Tbilisi and Ozurgeti. [29] - 12 February– Line 1 of the Lijiang Rail Transit (Lijiang Snow Mountain Sightseeing Train) opens between Youkezhongxin and Yulongxueshan. [30]
- 15 February – The New Delhi railway station crowd crush, in which at least 18 people lost their lives.
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20 February– Haniska pri Košiciach – Moldava nad Bodvou Line is electrified between Haniska pri Kosiciach and Moldava nad Bodvou. [31] - 22 February– Line 1 of the Taiyuan Metro opens between Helongwan and Wusu 1 Hao / 2 Hao Hangzhanlou. [32]
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27 February– Jerusalem Light Rail extends to Neve Yaakov from Heil Ha-Avir; also extends to Hadassah Ein Kerem from Mount Herzl. [33] [34]
March
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1 March– Kazakhstan Temir Joly introduces new passenger service between Almaty and Balkhash. [35] -
2 March– Line T1 of the Luxembourg Tramway Network extends to Luxembourg Airport-Findel from Luxexpo. [36] -
3 March– Passenger services resume on part of the Moselle Valley Railway after over 40 years. [37] -
9 March– Passenger services resume between Tehran and Van. [38] - 15 March
- – Zhengzhou-Kaifeng intercity railway extends to Kaifeng railway station from Songchenglu. [39]
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– Extension of KTM ETS services to Segamat from Gemas. [40] [41] [42]
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- 23 March– The section of Transilien Line P between Esbly and Crécy-la-Chapelle becomes line T14 of the Ile-de-France Tramway Network. [43]
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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. [44] -
28 March– Tashkent-Xoʻjakent Railway is extended from Xoʻjakent to Chinorkent. [45] - 31 March– The Culoz–Modane railway and the Turin–Modane railway reopen between Saint-Jean-de-Maurienne and Oulx following a 2023 landslide. [46] [47]
April
- 1 April
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– Line S61 of Esko Prague opens between Praha-Vršovice and Úvaly. [48] - – Line 1 of the Naples Metro extends to Centro Direzionale from Garibaldi. [49]
- – Keisei acquires the Shin-Keisei Railway and its lone route is renamed to the Matsudo Line. [50]
- – Nankai acquires the Semboku Rapid Railway and its lone route is renamed to the Semboku Line. [51]
-
- 4 April
- – La Dolce Vita Orient Express launches, starting between Rome and Montalcino.[ citation needed ]
- – AŽD resumes passenger services between Kopidlno and Dolní Bousov as Automatic train operation. [52]
-
- 6 April
- – New Pamban Bridge opens. [53] [54]
- – Comboios de Portugal resumes passenger services between Mangualde and Vilar Formoso. [55]
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– Maho-Omanthai railway is upgraded. [56]
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- 17 April– Airport MRT of the Ürümqi Metro opens between International Airport and International Airport North. [57]
- 19 April– Katra to Banihal Section of the Jammu–Baramulla Line opens between Katra and Banihal. [58]
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21 April– Line 3 of the Madrid Metro extends to El Casar from Villaverde Alto. [59] -
22 April– EFE resumes passenger services between Puerto Montt and Llanquihue after 18 years. [60] - 23 April– Barcelona-Seville AVE high speed service starts operations.[ citation needed ]
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26 April– Hedjaz Jordan Railway launches first tourist train in Mafraq. [61] - 27 April– Yellow line of the Ahmedabad Metro is extended from Sector-1 to Sachivalaya. [62]
- 28 April– Liege Tramway Network opens between Sclessin, Coronmeuse , and Liège Expo . [63]
May
- 1 May
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– 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. [64] -
– Routes 8, 9 and 10 of Saratov tram reopen as light rail. [65]
-
- 2 May– Vande Bharat launches passenger services between Nagpur and Mumbai.[ citation needed ]
- 3 May– Line 2 of the Mashhad Urban Railway extended from Shahid Kaveh to Shahid Fakouri. [66]
- 8 May– Line 3 of the Mashhad Urban Railway opens between Imam Reza Terminal and Shohada. [67]
- 9 May
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– Railways of Novorossiya introduces new passenger trains to Donetsk. [68] -
– Snälltåget extends night trains to Chemnitz. [69]
-
- 10 May
- – Line 3 of the Mumbai Metro extends to Acharya Atrey Chowk from Bandra - Kurla Complex. [70]
- – 2 Line of Link light rail extends to Downtown Redmond from Redmond Technology. [71]
-
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13 May– New BEMUs manufactured by Končar enter service between Zagreb and Bjelovar. [72] [73] - 16 May– Line 4 of the Ningbo Metro extends to International Conference Center from Dongqian Lake. [74]
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20 May– Pink Line of the Bangkok MRT branches off from Muang Thong Thani to Lake Muang Thong Thani. [75] - 23 May – Line 1 of the Nantes tramway extends from Ranzay to Babinière railway station . [76]
- 25 May
- 29 May
- – A tourist train launched between Xi'an and Almaty. [79]
-
– Central Line of the Metrorail Western Cape reopens. [80]
-
- 30 May– Orange Line of the Kanpur Metro extends to Kanpur Central from Moti Jheel. [81]
- 31 May
- – Yellow Line of the Indore Metro opens between Gandhi Nagar and Super Corridor 3. [82]
- – Sonoma–Marin Area Rail Transit extends to Windsor from Sonoma County Airport. [83]
-
June
-
3 June – Passenger services resume between Beijing and Ulaanbaatar on the Trans-Mongolian Railway. [84] - 6 June
- – Jammu–Baramulla line is inaugurated. [85]
- – 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. [86]
-
- 7 June– B Line of Valley Metro Rail opens from the Downtown Phoenix Hub to Baseline/Central Avenue. [87] [88] [89]
- 8 June– Petrozavodsk City Rail opens between Kondopoga and Derevyanka as well as Ladva-Vetka. [90]
- 9 June
-
– Thornlie–Cockburn line reopens and extends to Cockburn Central from Thornlie as part of the Thornlie–Cockburn link. [91] - – Passenger service resumes between Zaragoza and Canfranc. [92]
-
- 15 June
- – Baku-Agstafa route of Azerbaijan Railways extends to Qazax. [93]
- – Trenitalia France service between Paris and Marseille begins. [94]
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– Passenger services resume between Jelenia Góra and Karpacz. [95]
-
- 16 June
- – First passenger train launched between Kirov and Kirovo-Chepetsk. [96] |
- – Eifel Railway reopens. [97]
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– Sialkot Express service relauched between Lahore and Sialkot. [98]
-
-
17 June– Passenger service resumes between Moscow, Khabarovsk and Pyongyang. [99] - 18 June– Tianshui Tram extends to Jingkun Xijun Sanzhong from Wulipu and from Yangpodong to Tianshui Jichang. [100]
- 20 June
- – Line 2 of Guangzhou Huangpu Tram opened between Xiangxue Subway Station and Kaiyuan Rd East. [101]
- – New passenger train launched between Zagreb and Ljubljana via Pula.[ citation needed ]
-
- 22 June – Montréjeau-Luchon railway reopens. [102]
- 24 June – The first electric train launched between Faro and Vila Real de Santo Antónion. [103]
- 25 June – A tourist tram launched in Wonsan. [104]
- 27 June
- – Chongqing–Xiamen high-speed railway opens between Chongqing East and Qianjiang. [105] [106]
- – The second branch of Line 6 of the Chongqing Rail Transit opened from Liujiaping to Chongqingdong Railway Station. [107] [108]
- – PKP Intercity introduces new passenger service between Warsaw and Rijeka. [109]
- – Moscow Monorail suspends service. [110]
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- 28 June
- – Line 1 of the Incheon Subway extends to Geomdan Lake Park from Gyeyang. [111] [112] [113]
- – 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. [114] [115]
- – Line 19 of the Warsaw tram extends to Stegny. [116] [117]
-
- 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. [118]
- – Transdev Rail Sud Inter-Métropoles takes over TER Provence-Alpes-Côte d'Azur service between Marseille and Nice, previously operated by SNCF Voyageurs. [119]
-
- 30 June
- – Line 8 of the Ningbo Metro opens between Hansong Road and Kaiyuan Road. [120]
- – Line 1 of the Shaoxing Metro extends to Exhibition And Convention Center from Daqingsi. [121]
- – Line 1 of the Shenyang Metro extends to Shuangma from Limingguangchang. [122]
-
July
- 3 July– Line M1 of the Palma Metro extends from UIB to Parc Bit. [123]
- 4 July– FS Treni Turistici Italiani launches night trains between Rome and Marseille. [124]
- 5 July– Trenitalia launches a direct train between Verona and Chioggia. [125]
- 8 July– The northern section of Line 4 of the Tianjin Metro opens between Xiaojie and Xizhan. [126]
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11 July– The first battery train in Denmark enters service between Vemb, Lemvig and Thyborøn. [127] - 14 July
-
– Tauern Tunnel reopens. [128] - – Varberg Tunnel enters operation. [129]
-
– Vy resumes passenger service between Malmö and Oslo. [130]
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- 21 July– New Biobío Railway Bridge opens in Concepción, Chile. [131]
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26 July– Wigan-Bolton railway is electrified. [132] - 27 July– Route 3 of the Bratislava Tramway Network extends to Južné Mesto from Jungmannova. [133]
- 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. [134]
- 1 August– First phase of railway link to Prague International Airport opens between Praha–Bubny and Výstaviště. [135]
- 3 August– Ekimae Ohashi Line of the Hiroshima Electric Railway opens between Hiroshima Station and Hijiyama-shita. [136]
- 4 August– The Wieserbahn is electrified between Wettmannstätten and Wies, allowing service to Graz via the Koralm Railway. [137]
- 5 August
- – The Dearne Valley line is electrified between Church Fenton and York, as part of the Transpennine Route Upgrade. [138]
- – Double-tracking of the Rome–Pescara railway between Lunghezza and Bagni di Tivoli completed. [139]
-
- 6 August– Line 5 of the Nanjing Metro extends to Fangjiaying from Wenjinglu. [140]
- 11 August– Yellow Line of the Namma Metro opens from RV Road to Bommasandra. [141]
- 18 August – Amtrak Mardi Gras Service opens between New Orleans and Mobile. [142]
-
19 August – Five City Gates Train is launched between Hanoi and Bắc Ninh. [143] -
20 August – Passenger services resume on Alausí-Sibambe section of Guayaquil-Quito railway. [144] - 22 August– Green Line of the Kolkata Metro extends to Esplanade from Sealdah; Yellow Line opens between Noapara and Jai Hind; Orange Line extends from Hemanta Mukhopadhyay to Beleghata. [145]
- 28 August – First five Avelia Liberty trains enter service along the Northeast Corridor. [146]
- 29 August– Line 7 of the Ningbo Metro opens from Yunlong to Yufan. [147]
- 30 August
- 31 August– Praha – České Budějovice speed increase from 160 to 200 km/h on some sections. 7-11 min faster. [150]
September
- 1 September
- – Line 12 of Trams in Vienna opens from Josefstädter Straße to Hillerstraße. [151]
- – HŽ Putnički prijevoz introduce Zabok–Rogatec train. [152]
-
- 3 September– First driverless tram in Russia enters service on the Moscow Tram Network route 10. [153]
- 5 September– Uzhhorod-Chop standard gauge railway opens. [154]
- 6 September– Line 2 of the Karaj Metro extends from Ayatollah Taleghani to Shahid Soltani. [155]
- 10 September– New line 90 for trams in Moscow opens between Komsomolskaya Ploschad and Bulvarnoye Koltso. [156]
- 11 September– New Drammen Station as well as the double track between Drammen and Kobbervikdalen opens. [157]
- 13 September
- Bairabi–Sairang railway opens. [158]
- Line 16 of the Moscow Metro extends to ZIL from Novatorskaya. [159]
- – The first hydrogen train in the United States begins operations on Arrow between San Bernardino and Redlands, California. [160]
-
- 15 September
- – Pistoia–Montecatini Terme section of Florence–Pistoia–Viareggio railway is doubled. [161]
- – Passenger services resume on the Zafra-Huelva railway. [162]
-
- 17 September
-
– Yellow Line of the Cochabamba Metropolitan Train opens between Estación Central de San Antonio and Maica. [163] - – Chengdu Metro: Line 10 extends to Wuhouci from Taipingyuan; Line 17 extends to Gaohong from Jitouqiao. [164]
-
– A commuter rail line opens in Mombasa, connecting Mombasa Terminus and Mombasa Railway Station on the tracks of the former Uganda Railway. [165]
-
- 18 September– RegioJet starts passenger services in Poland on Warsaw-Kraków route. [166]
- 19 September
- – The four-track expansion between Strullendorf and Eggolsheim on the Nuremberg–Bamberg railway enters service. [167]
- – A Line of Los Angeles Metro Rail extends to Pomona North from APU/Citrus College. [168]
-
- 22 September– New SC42-DM locomotives entered service on Metro-North Hudson Line. [169]
- 23 September – The new Oural Tunnel opens on the León–A Coruña railway. [170]
-
24 September– Amsterdam-Berlin ICE high speed service commences. [171] - 26 September
- – Line 4 of the Nanning Metro extends from Lengtangcun to Longgang. [172]
- – Line 1 of the Tianshui Tram extends from Tianshui Jichang to Fenlukou. [173]
-
- 27 September
- – Mokpo–Boseong Line of the Korail Network opens between Sinboseong to Imseong-ri. [174]
- – British Rail Class 756 start running on Coryton Line, Rhymney line, Rhondda line, Aberdare line and Merthyr line. [175]
-
- 28 September
- – First interregional train is launched between Agstafa and Mingachevir. [176]
- – Line 2 of the Changchun Rail Transit extends from Dongfang Square to Wukaihe Dajie. [177]
- – Shenzhen Metro: Line 6 Branch extends to Guangmingcheng from Guangming; Line 16 extends to Yuanshan Xikeng from Universiade. [178] [179]
- – Line 7 of the Tianjin Metro opens between Saidalu and Gulou. [180]
- – Line 6 of the Xuzhou Metro opens between Xuzhou Tongshan District Hospital of TCM and Xuzhoudong Railway Station. [181]
- – Shenyang–Baihe high-speed railway opens. [182]
- – Xiangyang–Jingmen high-speed railway opens. [183]
-
– Passenger services resume on Paipa - Sogamoso section of the Bogotá - Belencito railway. [184]
-
- 29 September
- – Binhai Express Line of the Fuzhou Metro opens between Fuzhou Railway Station and Wenling. [185]
- – Guangzhou Metro: Guangzhou East Railway Station opens as an infill station on Line 11; Line 13 extends from Yuzhu to Tianhe Park; Line 14 extends to Lejia Road from Jiahewanggang. [186]
- – Pearl River Delta Metropolitan Region intercity railway: Guangzhou–Huizhou intercity railway extends from Xiaojinkou to Huizhou North; Guangzhou–Foshan circular intercity railway opens new section between Panyu and Baiyun Airport North; Pazhou–Lianhuashan intercity railway opens between Pazhou and Guangzhou Lianhuashan. [186]
-
- 30 September – B23 rolling stock enters service on the Docklands Light Railway. [187]
October
-
1 October– Passenger service begins on the Tema-Mpakadan Railway Line. [188] -
3 October– Belgrade-Subotica high-speed train is launched as part of the Budapest–Belgrade railway. [189] - 4 October– Last locomotives are retired from domestic passenger services by the Nederlandse Spoorwegen. [190]
- 6 October
- – Railjet starts operations between Lienz and Vienna. [191]
- – New line 27 of Trams in Vienna opens between Aspern Nord and Strebersdorf Edmund-Hawranek-Platz. [192]
-
- 7 October– Patna Metro opens between New ISBT and Bhootnath. [193]
- 9 October
- – Line 3 of the Mumbai Metro extends to Cuffe Parade from Acharya Atrey Chowk, completing the line. [194]
- – New Stadler FLIRT3 XL (class 3428) trains start operations in DB Regio services between Trier, Koblenz and Perl. [195]
-
-
10 October– Passenger services resume between Bucharest and Kyiv. [196] - 11 October – Marchegger Eastern Railway reopens and is electrified between Vienna and Bratislava. [197]
- 13 October
- – The Armadale line of the Transperth Network reopens and extends to Byford from Armadale. [198]
- – New South Wales D set starts operations on the Blue Mountains Line. [199] [200]
-
- 16 October
- – New MF 19 rolling stock enters operation on Line 10 of the Paris Metro. [201]
- – Line 7 of the Milan tramway network is extended from Anassagora to Adriano-Vipiteno. [202]
- – Honolulu Skyline extends from Hālawa to Kahauiki. [203]
-
- 18 October– Line 1 of the Montpellier Tramway Network extends to Gare Sud de France from Odysseum . [204]
- 20 October
- – New ComfortJet trains enter Austria being introduced on Prague-Vienna-Graz route. [205]
- – New suburban train is launched between Arkalyk and Derzhavinsk. [206]
-
- 24 October– KC Streetcar extends to UMKC from Union Station. [207]
- 25 October– Silver Line opens between Dallas Fort Worth International Airport and Plano. [208]
- 26 October
- – Greater Copenhagen Light Rail opens southern phase between Rødovre Nord and Ishøj station. [209]
- – Passenger services resume between Moscow and Almaty. [210]
-
November
- 1 November– Line 2 of the Shanghai Metro extends to Panxiang Road · Shanghai National Accounting Institute from National Exhibition and Convention Center. [211]
- 3 November
- – VR Class Sm6 trainsets start domestic services on Helsinki-Turku route. [212]
- – Talgo 230 trainsets start operations on Copenhagen-Hamburg route. [213]
-
- 10 November– Line 7 of the Naples metropolitan railway service opens between Monte Sant'Angelo and Soccavo. [214]
- 12 November– New line T1 of the Trams in Moscow opens between Universitet and Metrogorodok. [215]
- 15 November– Line F of the Strasbourg Tramway Network extends to Wolfisheim from Comtes. [216]
- 17 November– Montreal REM: Deux-Montagnes branch opens between Deux-Montagnes and Gare Centrale. [217]
- 18 November– Pittsburgh International Airport People Mover is permanently decommissioned. [218] [219]
-
21 November– Line K of the Tren Interoceánico opens between Ixtepec and Tonalá. [220] - 28 November
- – Line 1 of Dongguan Rail Transit opens between Dongguanxi Railway Station and Meitang. [221]
- – Panzhou–Xingyi high-speed railway opens. [222]
-
- 29 November– New lines 16 and 17 of Graz tramway network open. [223]
- 30 November– Metro Tunnel opens, connecting the Pakenham, Cranbourne, and Sunbury metropolitan rail lines in Melbourne. [224]
December
- 1 December– Line 2 of the Baixada Santista Light Rail opens between Conselheiro Nébias and Valongo. [225]
- 3 December
- – Burevestnik train returns on Moscow-Nizhny Novgorod route but now as double-decker. [226]
- – East Midlands Railway introduces British Rail Class 810 Aurora train on the Midland Main Line. [227]
- – Rhymney line of the South Wales Metro is electrified. [228]
-
- 5 December– Nanning–Pingxiang high-speed railway extends from Chongzuo to Pingxiang. [229]
- 6 December
- – Jinan SkyShuttle opens as a loop line as part of the Jinan Metro. [230]
- – Bordeaux Tramway Network: Line E opens between Gare de Blanquefort and Floirac Dravemont while Line F opens between Bordeaux Airport and Bordeaux-Saint-Jean. [231]
- – 1 Line of Link light rail extends to Federal Way Downtown from Angle Lake. [232]
-
- 7 December– Line 6 Finch West of the Toronto subway opens between Humber College and Finch West. [233]
- 8 December– Buffalo Metro Rail extends to DL&W from Canalside. [234]
- 10 December– Line 4 of the Fuzhou Metro extends to Banzhou from Fenghuangchi. [235]
- 12 December
- – KTM ETS extends to Johor Bahru Sentral, [236] concluding the Gemas–Johor Bahru electrification and double-tracking project. [237]
- – ÖBB and SNCF Voyageurs end their joint Nightjet service between Paris and Berlin/Vienna. [238]
-
- 14 December
- – Koralm Railway opens between Graz and Klagenfurt. [239]
- – New ComfortJet trains introduced on Prague-Villach route. [240]
- – České dráhy launches a new night train between Prague and Przemyśl. [241]
- – Berlin Airport Express between Flughafen and Berlin Hauptbahnhof is rerouted via Berlin Südkreuz. [242]
- – The four-track expansion between Müllheim and Auggen on the Rhine Valley Railway enters service. [243]
- – ICE L trains enter service between Berlin and Cologne. [244]
- – Electrification of the Meråker Line is completed between Trondheim and Storlien. [245]
- – Line 12 of the Gothenburg Tramway opens between Mölndal and Lindholmen, Line 10 is rerouted to Lindholmen from Biskopsgården, Line 2 is rerouted to Biskopsgården from Mölndal. [246]
-
– Double-tracking of the Basel–Biel/Bienne railway line between Grellingen and Duggingen completed. [247] - – East Kilbride Line of the ScotRail Network is electrified between Glasgow Central and East Kilbride. [248]
- – Lumo extends London King's Cross-Edinburgh service to Glasgow Queen Street via Falkirk High. [249] [250] [251]
-
- 15 December
- – Line 4 of SITEUR opens between Las Juntas and Tlajomulco Centro. [252]
-
– New Škoda 21Ev train starts passenger operations on Tallinn-Kloogaranna route. [253]
-
- 16 December
- – Chengdu Metro: Line 13 opens between Wayaotan and Long'an; Line 30 opens between East of Terminal 2 of Shuangliu International Airport and Longquanyi Railway Station South. [254]
-
– Hungarian border–Botovo–Koprivnica–Dugo Selo railway is modernised. [255] - – Line C of the Rome Metro extends to Colosseo from San Giovanni. [256]
- – New line 5 of Trams in Moscow is launched between Moscow Belorussky railway station and Moscow Rizhsky railway station. [257]
-
- 19 December– Nanjing Metro: Line 3 extends to Moling from Mozhoudonglu; Line 10 extends to Dongqilu from Andemen. [258]
- 20 December– Line 5 of the Montpellier Tramway Network opens between Clapiers and Lavérune. [259]
- 21 December– Orange Line of the Bhoj Metro opens between AIIMS and Subhash Nagar. [260]
- 22 December
- – Line 19 of the Warsaw tram network extends from Goworka to Pole Mokotowskie. [261]
- – Shantou–Shanwei high-speed railway opens remaining section between Shantou South railway station and Shantou Railway Station. [262]
- – Guangzhou-Zhanjiang high-speed rail opens between Guangzhou Baiyun railway station and Zhanjiang North Station [263]
-
- 23 December– Baotou-Yinchuan high-speed railway is made fully operational with the opening of the Baotou-Huinong section. [264]
- 24 December
- – Slavyanka tram line of the Saint Petersburg tramway network opens between Kupchino and Shushary. [265]
- – E3 Series Shinkansen ends regular passenger service after 28 years of operation. [266]
-
- 25 December– Longluxu Railway opens. [267]
- 26 December
- – Line 6 of Hefei Metro opens between Beiyanhu and Longtang. [268]
- – The Wuhan–Yichang high-speed railway, a section of the larger Shanghai–Chongqing–Chengdu high-speed railway, enters operation. [269]
- – Xi'an–Yan'an high-speed railway opens between Xi'an East and Yan'an, parallelling the existing Xi'an–Yan'an railway. [270]
- – Hangzhou–Quzhou high-speed railway opens. [271]
- – Saint Peterburg Metro Line 6 opens between Yugo-Zapadnaya and Putilovskaya. [272]
-
- 27 December
- – Beijing Subway: Line 6 extends to Luyang from Lucheng; Line 17 extends to Shilihe from Workers' Stadium: Line 18 opens between Malianwa and Tiantongyuandong. [273] [274]
- – Jinan Metro: Line 4 opens between Shandong First Medical University and Pengjiazhuang; Line 6 opens between Shandong University and Liangwang; Line 8 opens between Xingcun Lijiaoqiao East and Qingyuan Dajie. [275] [276]
- – Line 18 of the Shanghai Metro extends to Kangwen Road from South Changjiang Road. [277]
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- 28 December– Shenzhen Metro: Line 5 extends from Huangbeiling to Grand Theater; Line 8 extends from Xiaomeisha to Xichong; Line 11 extends from Huaqiang South to Hongling South; Line 13 extends from Hi-Tech Central to Shangwu. [278] [279]
- 29 December
- – Line 22 of the Guangzhou Metro extends to Fangcun from Chentougang. [280] [281]
- – Line 15 of the Xi'an Metro opens between Xiliu and Dongzhaoyu. [282]
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- 30 December
- – Jiyang Line of the Jinan Metro opens between Jinandong Railway Station and Jiyang North. [283]
- – Hefei-Xinyi High-Speed Railway opens between Hefei West railway station and Sixian East Railway Station. [284]
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