The Adapazarı Express () officially listed as the Haydarpaşa-Adapazarı Regional () was a

regional rail Regional rail is a public transport, public rail transport service that operates between towns and cities. These trains operate with more stops than inter-city rail, and unlike commuter rail, operate beyond the limits of urban areas, connectin ...

service, that ran between

Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...

and

Adapazarı Adapazarı () is a municipality and the capital Districts of Turkey, district of Sakarya Province, Turkey. Its area is 324 km2, and its population 281,489 (2022). It covers the central and northern part of the agglomeration of Adapazarı and t ...

. For the majority of its time in service, it was the second-busiest route of the

Turkish State Railways The State Railways of the Republic of Turkey (), abbreviated as TCDD, is a government-owned national railway company responsible for the ownership and maintenance of railways in Turkey, as well as the planning and construction of new lines. TCDD ...

, after the

Adana-Mersin Regional The Adana Mersin Regional is an intercity rail service operated by the Turkish State Railways. It operates between two major cities of Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West ...

. Trains served a heavily populated region on the north-east shores of the

Sea of Marmara The Sea of Marmara, also known as the Sea of Marmora or the Marmara Sea, is a small inland sea entirely within the borders of Turkey. It links the Black Sea and the Aegean Sea via the Bosporus and Dardanelles straits, separating Turkey's E ...

and the Sakarya plain. Service was frequent with 12 trains daily in each direction in 2012. The Regional service also passed through important districts of Istanbul such as

Kadıköy Kadıköy () is a municipality and Districts of Turkey, district on the Asian side of Istanbul Province, Istanbul Province, Turkey. Its area is 25 km2, and its population is 467,919 (2023). It is a large and populous area in the Asian si ...

, Maltepe,

Kartal Kartal () is a municipality and district of Istanbul Province, Turkey. Its area is 38 km2, and its population is 483,418 (2022). It is located on the Asian side of the city, on the coast of the Marmara Sea between Maltepe and Pendik. De ...

Pendik Pendik () is a municipality and district of Istanbul Province, Turkey. Its area is 190 km2, and its population is 750,435 (2022). It is on the Asian side between Kartal and Tuzla, on the Marmara Sea. It also neighbours Sultanbeyli, San ...

Tuzla Tuzla (, , ) is the List of cities in Bosnia and Herzegovina, third-largest city of Bosnia and Herzegovina and the administrative center of Tuzla Canton of the Federation of Bosnia and Herzegovina. As of 2013, it has a population of 110,979 inha ...

as well as

Gebze Gebze (), formerly known as Libyssa, is a municipality and district of Kocaeli Province, Turkey. Its area is 418 km2, and its population is 407,019 (2022). It is situated 65 km (30 mi) southeast of Istanbul, on the Gulf of Izmit, ...

İzmit İzmit () is a municipality and the capital Districts of Turkey, district of Kocaeli Province, Turkey. Its area is 480 km2, and its population is 376,056 (2022). The capital of Kocaeli Province, it is located at the Gulf of İzmit in the Sea ...

and

. Because of the cities, the train service earned the nickname ''Metropolitan Express''.Adapazari metropol ekspresi
- ''wowturkey.com'' The train used to service Coşkunoğulları station until the TOE (Turkish Automotive Industry) factory was closed in 1991. It also serviced Acısu, Tepetarla and Kurtköy stations until 1998. Due to the construction of the Istanbul-Ankara high-speed railway, the Haydarpaşa-Adapazarı Regional service was discontinued on 1 February 2012 in order to upgrade the existing railway line. On 5 January 2015 service between

Arifiye Arifiye is a municipality and district of Sakarya Province, Turkey. Its area is 75 km2, and its population 49,340 (2022). It covers the southernmost part of the agglomeration of Adapazarı and the adjacent countryside. Geography Arifiye is ...

and

was reopened with a new, faster regional service known as the

Ada Express The Ada Express () is a limited stop regional train service operating between Gebze, Kocaeli and Adapazarı. It was inaugurated on 5 January 2015 as a replacement for the popular '' Adapazarı Express'' train service. However, unlike its predec ...

Equipment

Trains were usually 6-8 cars long with a single

electric locomotive An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a Battery (electricity), battery or a supercapacitor. Locomotives with on-board fuelled prime mover (locomotive), ...

. Towards the end of its run, trains were mostly combined out of cars from the Regional Fleet and Intercity Fleet cars. On occasion, a train was double-headed for special purposes. Before TCDD rehabilitated its old intercity and regional fleet, the electric locomotives which pulled trains were the E40000 or the E52500 series, and cars consisted of black and red regional cars that were built by

TÜVASAŞ Turkish Wagon Industry, Inc. (), more commonly known as TÜVASAŞ, was a Turkish railcar manufacturer based in Adapazarı. TÜVASAŞ was responsible for the construction, refurbishment and repair of railcars for the Turkish State Railways (TCDD), ...

primarily for this service. Also during the 1990s, MT5600 were used for a brief period of time. Due to ridership, these DRCs couldn't handle the capacity. In the late 2000s/early 2010s trains used refurbished regional and intercity cars that came into service in the 1970s, with the conductor car being either the first or last car. The E43000 were the only type of locomotives that pulled trains, as well as pulling express service on the line to Ankara and other cities. The route was the last stronghold for regional cars as well, as they were replaced with DMUs on other routes. Sometimes E14000

EMUs Emus may refer to: * Emu The emu (; ''Dromaius novaehollandiae'') is a species of flightless bird endemism, endemic to Australia, where it is the Tallest extant birds, tallest native bird. It is the only extant taxon, extant member of the ...

, used for commuter service in İstanbul and previously

Ankara Ankara is the capital city of Turkey and List of national capitals by area, the largest capital by area in the world. Located in the Central Anatolia Region, central part of Anatolia, the city has a population of 5,290,822 in its urban center ( ...

, were used for special holidays or weekend service when extra equipment was needed.

Pictures

Adapazari Express at Haydarpasa.JPG, Train #11612 about to depart Haydarpaşa in October 2011. E52515 Adapazari Ekspresi.jpg, An eastbound train leaving Haydarpaşa station in March 2001. E52509 at Haydarpasa.jpg, A train waiting to depart Haydarpaşa station in November 2000.

References

External links

TCDD Official SiteAdapazarı Regional timetable
- tcdd.gov.tr {{DEFAULTSORT:Haydarpasa-Adapazari Regional Named passenger trains of Turkey Train-related introductions in 1977