Friendship Express
{{for|the train service between Delhi, India and Lahore, Pakistan|Samjhauta Express}}
{{Use dmy dates|date=April 2024}}
{{Infobox rail service
| box_width =
| name = Friendship Express
{{lang|tr|Dostluk Ekspresi}}
{{lang|el|Εξπρές Φιλίας}}
| logo =
| logo_width =
| image = OSE 220-027, Dostluk-Filia Express, near Filadelphia, 2005.jpg
| image_width = 300
| caption = OSE 220-027 pulls the westbound train near Filadelphia, Greece, consisting of all-Turkish equipment.
| type = InterCity
| status = Discontinued
| locale = European Turkey, northern Greece
| first = {{start-date|July 2005}}
| last = {{end-date|February 2011}}
| start = Sirkeci Terminal, Istanbul
| stops = 10
| end = Thessaloniki railway station, Thessaloniki
| distance =
| journeytime = 13h03' (westbound),
12h19' (eastbound)
| frequency = Daily each way
| trainnumber = 444/445, 81021/81022
| line_used = Istanbul–Pythio railway,
Alexandroupoli–Svilengrad railway,
Thessaloniki–Alexandroupoli railway
| class =
| access =
| seating =
| sleeping = 5 TCDD Sleepers, 3 OSE Sleepers
| autorack =
| catering = yes
| observation =
| entertainment=
| baggage =
| otherfacilities=
| stock =
| gauge = {{RailGauge|sg}}
| el = Istanbul to Pehlivankoy
| speed =
| map = {{Amity Express RDT}}
| owners = OSE Thessaloniki–Pythion,
TCDD Istanbul–Hudut
| map_state =
}}
The Friendship Express ({{langx|tr|Dostluk Ekspresi}}, {{langx|el|Εξπρές Φιλίας}}, Exprés Filías), was an international InterCity train jointly operated by the Turkish State Railways (TCDD) and TrainOSE from July 2005 to February 2011, linking Istanbul's Sirkeci Terminal, Turkey and Thessaloniki, Greece. Eastbound trains (service 444/81021) departed daily at 19:48 from Thessaloniki arriving to Istanbul at 08:07. Westbound trains (service 81022/445) departed at 20:30 from Istanbul, arriving to Thessaloniki at 09:33.{{Cite web |url=http://www.turkeytravelplanner.com/trans/Train/dostluk_filia_sked.html |title=Dostluk/Filia Express Train Timetable|access-date=6 January 2011 |archive-url=https://web.archive.org/web/20101026085143/http://www.turkeytravelplanner.com/trans/Train/dostluk_filia_sked.html |archive-date=26 October 2010 |url-status=dead }}
There were two trains on this service, one provided by TrainOSE and the other by TCDD. TrainOSE used OSE former SNCF type T2 sleeping cars while TCDD used TVS2000 type cars. The trains changed locomotives and crew at Pythio.
This train service was terminated on 13 February 2011.{{cite web| website=TCDD| title=02/13/2011 (inclusive) From the date of DOSTLUK/FILIA EXPRESS trains will be canceled until further notice| url=http://www.tcdd.gov.tr/tcdding/avrupa_ing.html| access-date=18 September 2011 |url-status=dead |archive-url=https://web.archive.org/web/20110912093507/http://www.tcdd.gov.tr/tcdding/avrupa_ing.html |archive-date=12 September 2011 }} This is due to cost cutting by Greek state-owned company TrainOSE.{{cite web| url=http://findarticles.com/p/articles/mi_m0BQQ/is_3_51/ai_n57192123/| title=Greece severs international links| work=International Railway Journal| date=March 2011}} {{dead link| date=January 2020}}
On 8 March 2016 Greece and Turkey signed an intergovernmental agreement for reconnecting the line Istanbul to Thessaloniki with an enhancement to Igoumenitsa (a town facing towards Italy) with the goal to create the Egnatia Railway{{cite web| url=http://voria.gr/index.php/article/ntavoutoglou-prochora-i-aktoploiki-sindesi-thessalonikis-smirnis| title=Επιταχύνονται οι διαδικασίες για την ακτοπλοϊκή σύνδεση των λιμανιών Θεσσαλονίκης και Σμύρνης. Οι δηλώσεις των δύο πρωθυπουργών| trans-title=The procedures for the ferry connection of the ports of Thessaloniki and Izmir are accelerated. The statements of the two prime ministers| date=8 March 2016| language=el}} As of late 2024, the Friendship Express was still not running.