| Haydarpaşa-Adapazarı Regional | |
|---|---|
Train #11612 about to depart Haydarpaşa in October 2011. |
|
| Overview | |
| Service type | Regional rail |
| Status | Operating |
| Locale | Northwestern Anatolia |
| First service | February 6, 1977 |
| Current operator(s) | TCDD |
| Former operator(s) | CFOA |
| Route | |
| Start | Haydarpaşa Terminal, İstanbul |
| No. of intermediate stops | 29 |
| End | Central Station, Adapazarı |
| Distance travelled | 144.4 km (89.7 mi)[1] |
| Average journey time | 2h58m' (Eastbound) 2h58m' (Westbound) |
| Service frequency | 24 daily |
| Train number(s) | 11601-11624 |
| On-board services | |
| Seating arrangements | Coach |
| Technical | |
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Electrification | 25 kV AC |
| Operating speed | 120 km/h (75 mph) max |
| Track owner(s) | TCDD |
The Haydarpaşa-Adapazarı Regional also referred to as Adapazarı Express (Turkish: Adapazarı Bölgesel Ekspresi) is a regional rail service, that runs between İstanbul and Adapazarı. It is the second busiest route of the Turkish State Railways, after the Adana-Mersin Regional. It serves a heavily populated region on the north-east shores of the Sea of Marmara, and the Sakarya plain. Service is frequent with 12 trains daily in each direction. Trains serve these important districts of İstanbul: Kadıköy, Maltepe, Kartal, Pendik, Tuzla as well as Gebze, İzmit and Adapazarı. Because of the cities the trains service, it has earned the nickname Metropolitan Express[2].
Trains are usually 6-8 cars long with a single electric locomotive pulling the train. Today, trains are usually equipped mostly with the Regional Fleet and a few Intercity Fleet cars. On occasion a train may be double-headed for special purposes.
In the past the electric locomotives that pulled trains were the E40000 or the E52500 series and cars consisted of black and red regional cars that were built by TÜVASAŞ primarily for this service. Also during the 1990s, MT5600 were used for a brief period of time, but due to ridership these DRCs couldn't handle the capacity. Today's trains use 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 are the only type of locomotives that are used for pulling trains, as well as pulling express service on the line to Ankara and other cities. Also the route is the last stronghold for regional cars, as they were replaced with DMUs on other routes. Sometimes E14000 EMUs, used for commuter service in İstanbul and previously Ankara, are used for special holidays or weekend service when extra equipment is needed[2].
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