M3 (Istanbul Metro)

M3 Kirazlı–MetroKent / Olimpiyat
Overview
Type Rapid transit
System İstanbul Metro
Status Operating
Locale İstanbul, Turkey
Termini Kirazlı-Bağcılar
Başakşehir-Metrokent / Olimpiyat
Stations 11[1]
Services 2
Line number M3
Operation
Opened June 14, 2013 (2013-06-14)
Owner İstanbul Metropolitan Municipality
Operator(s) İstanbul Ulaşım A.Ş.
Depot(s) Olimpiyatköy
Rolling stock 80 Alstom Metropolis[1]
Technical
Line length 15.9 km (9.9 mi)
Number of tracks 2
Track gauge 1,435 mm (4 ft 8 1⁄2 in) standard gauge
Electrification 1,500 V DC Overhead line
Route map
Legend
Line M3
 MetroKent
 Başak Konutları
 Siteler

Turgut Özal
Güvercintepe Yard
Olimpiyat
Olimpiyat Viaduct
Ziya Gökalp Mahallesi
İkitelli Sanayi
 İSTOÇ
 Mahmutbey
 Yenimahalle
 KirazlıLine M1

M3, officially referred to as the M3 Kirazli–Basaksehir–Olimpiyatkoy Metro Line (Turkish: M3 Başakşehir Metro Hattı), is a 15.9-kilometre (9.9 mi), 11-station[1] rapid transit line of the İstanbul Metro system on the European part of Istanbul, Turkey. It operates between Kirazlı-Bağcılar, extending the service of the M1B line from Aksaray, to Başakşehir-Metrokent or Olimpiyat, branching off at the İkitelli Sanayi junction station. The M3-line is colored light blue on station signs, route signs and the official rapid transit network map.[1]

Construction

The construction of the line began in 2006 following the signing of the related contract in May of that year. By March 2009, the tunnels were completed. The rolling stock was delivered in January 2010, and in December of the same year, the first test run of the trains was accomplished. The line's operation rights were transferred from the İETT bus authority to İstanbul Ulaşım company in June 2011. After the line signalization system was completely installed in March 2012, test runs began in June 2012.[1] On September 11, 2012, the M3-line started operating unofficially.[2] The M3-line went into service officially on June 14, 2013.[3][4]

Ziya Gökalp Mahallesi Station is the only underground station bored in situ without removing the ground above, while all other underground stations on the line are built by cut-and-cover method, constructed in a shallow trench and then covered over. The line's tunnels are twin tubes. The line between Kirazlı and MetroKent was constructed by tunnel boring machine (TBM) while the line between Sanayi Mahallesi and Olimpiyat Parkı was built using the New Austrian Tunnelling method (NATM).[1]

Technical features

The M3 line is 15.9-kilometre (9.9 mi) long, serving 11 stations in total.[1] The operation control center of the M3-line is situated in MetroKent Terminal. The rolling stock and maintenance depots are located in Olimpiyatköy beyond Olimpiyat Parkı Terminal, stretching over an area of (70,000 m2 (750,000 sq ft)). The rolling stock depot is capable of holding 180 cars. The maintenance workshop occupies a covered area of 10,000 m2 (110,000 sq ft).[1]

The rolling stock was delivered by the French company Alstom. The fully air-contioned cars, costing each €1.149 million, feature seats covered with antibacterial textile material. It is possible to pass from one car to another in a train to enable a homogeneous distribution of the passenger crowd.[5]

A total of 80 cars, 20 sets of four-car trains, are able to transport 111,000 passengers hourly[4] between the operating hours from 6:00 h in the early morning to 0:00 h in the midnight. The ride between the terminals Kirazlı and MetroKent takes 20 minutes. The trains run every five minutes during rush hours.[1]

Safety

All the stations are equipped with closed-circuit video system for continuous monitoring of the platforms. High-level fire safety systems, which include automatic fire extinguishers and fire exits, are installed in the metro line, where non-flammable and fireproofing materials were used.[1]

Power supply of the line is provided at two different points. In case of power cut at both supply points, an emergency power system that becomes operational within 15 seconds, ensures running of the trains until the next station. If the backup generator system fails, an uninterruptible power source (UPS) supplies energy for emergency lighting and the electronic devices at the operations control center up to three hours. The signalization of the metro line as well as at the depots and railroad switches, also the vehicle drive-control systems are fully automated. However, they can be handled manually when needed.[1]

Stations

The stations with 180 m (590 ft) long platforms are suitable for even 8-car trains.[4] Mahmutbey Station has a third track available for parking or overnight stay of trains. İkitelli Sanayi Station, which is a junction station, features two platforms and four tracks. Olimpiyat Terminal has two platforms and three tracks.[1]

All the stations are painted in different colors, and fitted with escalators and elevators for disabled persons.[3][4]

Metro Line M3
Station Transfers
Color to MetroKent Color to Olimpiyat Parkı
     Kirazlı–Bağcılar (M1B) Yenikapı–Kirazlı
     Yeni Mahalle
     Mahmutbey (M7) Kabataş–Mahmutbey (2018)
     İSTOÇ
     İkitelli Sanayi (M9) Ataköy–İkitelli (2019)
     Turgut Özal      Ziya Gökalp Mahallesi
     Siteler      Olimpiyat
     Başak Konutları
     Başakşehir–Metrokent

Rolling stock

This line is operated by Alstom trains.[1]

See also

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 "M3 Başakşehir Metro Hattı" (in Turkish). İstanbul Ulaşım. Retrieved 2015-12-11.
  2. ↑ "Başakşehir-Kirazlı Metrosu Açıldı". Duble Yol (in Turkish). 2012-09-11. Retrieved 2013-11-15.
  3. 1 2 "İstanbul'a yeni metro". Sabah (in Turkish). 2013-06-14. Retrieved 2013-11-15.
  4. 1 2 3 4 "İstanbullular yeni metro hattına kavuşuyor..." (in Turkish). İstanbul Büyükşehir Belediyesi. 2013-06-13. Retrieved 2013-11-15.
  5. ↑ "İstanbul'a 68 tane hijyenik metro aracı" (in Turkish). İstanbul Büyükşehir Belediyesi. 2007-10-02. Retrieved 2013-11-15. |
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