AM5-M2 and AM4-M4

{{short description|Rapid transit rolling stock used on Budapest Metro}}

{{Refimprove|date=April 2014}}

{{Infobox train

| background = darkred

| name = AM5-M2

| image = BudapestAlstom.jpg

| imagealt =

| imagesize = 300

| caption =

| interiorimage =

| interiorimagealt =

| interiorcaption =

| service =

| manufacturer = Alstom Konstal

| factory = Chorzów, Poland

| family = Metropolis

| replaced = 81–717, Ev, EvA

| yearconstruction = 2009–2013

| yearservice = September 7, 2012{{cite web | url=https://www.alstom.com/hu/press-releases-news/2013/6/befejezdott-a-jarmcsere-az-m2-es-vonalon | title=Befejeződött a járműcsere az M2-es vonalon }}{{cite web | url=https://bkk.hu/hirek/2012/09/alstom-m2.2626/ | title=Forgalomba állt az első Alstom metrószerelvény az M2 vonalán }}

| refurbishment =

| yearscrapped =

| numberconstruction =

| numberbuilt = 22

| numberservice =

| numberpreserved =

| numberscrapped =

| formation = {{ubl|5 cars per trainset:|{{abbr|Mc|Driving motor car}}-{{abbr|M|Motor car}}-{{abbr|T|Trailer car}}-M-Mc}}

| fleetnumbers =

| capacity = Trainset: 209 seats ({{abbr|Mc|Driving motor car}}: 37, {{abbr|M|Motor car}}: 45, {{abbr|T|Trailer car}}: 45)

| operator = BKV

| depots = Fehér út

| lines = Line 2

| trainlength = {{convert|100.16|m|ftin|frac=8|abbr=on}}

| carlength = {{ubl|{{abbr|Mc|Driving motor car}}: {{convert|19.846|m|ftin|frac=8|abbr=on}}|{{abbr|M|Motor car}}: {{convert|20.156|m|ftin|frac=8|abbr=on}}|{{abbr|T|Trailer car}}: {{convert|20.156|m|ftin|frac=8|abbr=on}}}}

| width = {{convert|2,780|mm|ftin|frac=8|abbr=on}}

| height = {{convert|3,696|mm|ftin|frac=8|abbr=on}}

| floorheight = {{convert|1,140|mm|in|frac=8|abbr=on}}

| doors = 8 double

| maxspeed = {{ubl|{{convert|90|km/h|mph|abbr=on}} (design)|{{convert|70|km/h|mph|abbr=on}} (service)}}

| weight = {{ubl|{{abbr|Mc|Driving motor car}}: {{convert|33|t|abbr=on}}|{{abbr|M|Motor car}}: {{convert|34|t|abbr=on}}|{{abbr|T|Trailer car}}: {{convert|26|t|abbr=on}}}}

| axleload = {{convert|14|t|LT ST|1|abbr=on}}

| acceleration = {{convert|1.13|m/s2|abbr=on}}

| deceleration = {{convert|1.9|m/s2|abbr=on}}

| gauge = {{RailGauge|1435mm|allk=on}}

| minimum curve = {{ubl|{{convert|80|m|abbr=on}} (depot moves)|{{convert|230|m|abbr=on}} (operationally)}}

| wheelbase = {{convert|2|m|abbr=on}} (bogies)

| notes = Source:{{cite book |date=March 29, 2012 |title=Budapesti 2. metróvonal kezelési kézikönyv |publisher=Alstom |language=Hungarian |url=https://archive.org/details/vpfh-996039 |access-date=March 9, 2024}}

}}

{{Infobox train

| background = darkgreen

| name = AM4-M4

| image = Alstom Metropolis - Budapest Szent Gellért tér M4.jpg

| imagealt =

| imagesize = 300

| manufacturer = Alstom Konstal

| family = Metropolis

| operator = BKV

| depots = Kelenföld

| lines = Line 4

| trainlength = {{convert|80|m|ftin|frac=8|abbr=on}}

| carlength = {{convert|20|m|ftin|frac=8|abbr=on}}

}}

The AM5-M2 and AM4-M4 are two series of Alstom Metropolis heavy rail rolling stock that operate on lines M2 and M4 of the Budapest Metro.

Since 2009, 22 AM5-M2 sets have been constructed for use on Line M2 with delivery to be completed by 2013. A further 22 AM4-M4 sets have been constructed since 2012 for use on Line M4 with delivery due to be completed by 2014.{{Cite web|url = https://www.bkv.hu/hu/kozlemenyek/budapestre_erkezett_az_elso_alstom_metropolis_metroszerelveny_ |title = First Alstom METROPOLIS subway cars arrive in Budapest|date = February 8, 2009|publisher = Budapest Transport Co.|accessdate = May 13, 2013|language = Hungarian}}{{Cite web|url = https://bkk.hu/2012/12/sikeres-palyateszt-a-4-es-metro-budai-szakaszan-–-decemberben-indulhat-a-jarmu-tartamprobaja/ |title = Successful track test of the Buda section of Metro Line 4|date = December 1, 2012|accessdate = May 13, 2013|publisher = Budapest Transportation Center Inc.|language = Hungarian}}

On December 5, 2016, an accident occurred on Metro Line M2 which involved an AM5-M2 rolling stock. An incoming train collided with a waiting train at the Pillangó utca metro station. This was the first serious accident in the history of the Budapest metro. The accident did not result in a fatality, but according to the prosecution, a total of twenty-one were injured, five of whom were classified as serious.{{cite web|url=http://ugyeszseg.hu/vademeles-a-2016-decemberi-metrobaleset-ugyeben/|title=Prosecution for the December 2016 subway accident|website=ugyeszseg.hu|date=2020-01-20|access-date=2021-02-13|language=hu}}