Otoyol 7

The Otoyol 7[1] (O-7; English: Motorway 7), or Northern Marmara Motorway, is a toll motorway intended to bypass Istanbul to the north and that is currently (2018) partly under construction with a completed section already opened to the North of Istanbul. The motorway has 8 lanes (4+4 lanes).

O-7
Otoyol 7
Northern Marmara Motorway
Kuzey Marmara Otoyolu
  open
  tendered
Route information
Length462.7 km (287.5 mi)
95 km (59.03 mi) open
336 km (208.78 mi) newly tendered
(including connecting roads)
ExistedAs Connector 1987-2016, 2016–present
Major junctions
From O-3 in Kınalı, Silivri
 
To O-4 in Akyazı
Location
RegionsMarmara
ProvincesIstanbul Province, Kocaeli Province, Sakarya Province
Major citiesKınalı, Istanbul, Gebze, İzmit, Adapazarı, Akyazı
Highway system
Motorways in Turkey
List
← O-5O-20 →

The completed section of highway crosses the Bosphorus Strait via the Yavuz Sultan Selim Bridge, which was opened in August 2016. The route is intended to serve as the outermost beltway of Istanbul as well as being the third motor-crossing of the Bosphorus. The route stretches 431 km (268 mi)[2] from Silivri, on the European side, to Akyazı on the Asian side. Connections to the O-4 as well as both the Bosphorus and Fatih Sultan Mehmet bridges will be built as the Northern Marmara Motorway will bypass Istanbul to the north.

Up to 2016, the only section under construction was the 90 km (56 mi) section from Odayeri to Paşaköy. In this section, 14 tunnels, 61 viaducts, 45 underpasses, and 63 overpasses will be constructed.

The western (Silivri-Odayeri) and eastern (Kurtköy-Akyazı) sections were tendered in early May 2016. Construction was then estimated to take three years and to start in 2016.[3] The section of motorway south of O-3 was constructed in 1987 and was listed as a connector of the O-3 until 2016.

Exit list

Main route
Province District km mi Exit Destination Notes
Istanbul Silivri (Kınalı) 0.00 0.00 K1 -Istanbul/Edirne (Kınalı junction)
Silivri 12.15 7.55 K2 Silivri junction
Çatalca 19.00 11.81 Çatalca Service Area
20.37 12.66 Çatalca KMO - T1 Tunnel
22.45 13.95 Çatalca KMO - T2 Tunnel
27.94 17.36 K3 , Çatalca junction
Çatalca (Nakkaş) 34.43 21.40 K4 Nakkaş junction
Arnavutköy 37.50 23.30 Yassıören Service Area
41.60 25.85 K5 Yassıören junction
48.28 30 K6 Tayakadın junction
51.00 31.69 Tayakadın Service Area
54.13 33.64 K7 Terminal 1-Istanbul New Airport
56.52 35.12 K8 Terminal 2-Istanbul New Airport
58.21 36.17 K9 Cargo Terminal-Istanbul New Airport
Eyüp 61.00 37.90 K10 -Mahmutbey Connects to , Atatürk Airport
64.40 40.02 Odayeri Service Area
Sarıyer 77.00 47.85 K11 Kilyos Cd.
Sarıyer–Beykoz 85.00 52.82 Yavuz Sultan Selim Bridge (Toll $3)
Beykoz 93.00 57.79 K12 Riva Cd.
101.00 62.76 Riva Tunnel
Çekmeköy 105.00 65.25 K13 Şile Yolu Cd.
107.00 66.49 Reşadiye Service Area
113.00 70.22 K14 O-2/O-6 Connector-Ümraniye,
Sancaktepe 115 71 K15 -Sultançiftliği,Şile
117.00 71.46 K16 Atatürk Cd.
Pendik 125.00 77.67 K17 O-4/O-6 Connector-Pendik, Connects to Sabiha Gökçen Airport
Tuzla 137.26 85.29 K18 Formula (Istanbul Park) junction
139.17 86.48 Istanbul Park Service Area
Kocaeli Gebze 142.25 88.40 K19 Balçık junction
146.70 91.16 Mollafenari Service Area
150.50 93.52 K20 Liman Connector-Gebze,,
Körfez 163.65 101.69 Sevindikli Service Area
169.38 105.25 K21 Sevindikli junction
Derince 175.70 109.18 K22 Toylar junction
178.15 110.70 Kocaeli KMO - T1 Tunnel
İzmit 183.20 113.84 Kocaeli KMO - T2 Tunnel
185.50 115.27 Kocaeli KMO - T3 Tunnel
185.90 115.52 Kocaeli KMO - T4 Tunnel
189.06 115.48 Kocaeli KMO - T5 Tunnel
191.82 119.19 K23 -İzmit, Kandıra junction
194.80 121.05 K24 İzmit junction/
198.00 123.03 İzmit Service Area Under construction
212.83 132.25 K25 Akmeşe junction Under construction
218.00 135.46 Akmeşe Service Area Under construction
Sakarya Adapazarı 223.81 139.07 K26 -Adapazarı, Kaynarca junction Under construction
231.84 144.06 K27 Karasu junction Under construction
Akyazı 240.00 149.13 Akyazı Service Area Under construction
243.35 145.62 K28 -Ankara,Istanbul, Akyazı junction Under construction

Connecting route
ProvinceDistrictkmmiExitDestinationNotes
Istanbul Eyüp 0.0 0.0 - Işıklar-Ağaçlı Rd. — Ağaçlı
1.3 0.8 K1 O-6 — Sancaktepe, Istanbul via Yavuz Sultan Selim Bridge
4.6 2.9 K15 D.020
6.3 3.9
Işıklar Toll Plaza
Arnavutköy 13.2 8.2 K14 Arnavutköy-Habibler Rd. - Fenertepe
Başakşehir 17.3 10.7 K12 Kanuni Sultan Süleyman Rd.
19.7 12.2 K11 2720 St.
20.9 13.0 K10 677/19 St.
21.5 13.4 K9 Süleyman Demirel Blvd.
21.7 13.5 K19 O-3 West — Edirne Toll otoyol
O-3 East — Fatih Connection to the O-1 and O-2
Bağcılar 23.5 14.6 K181 Halkalı Ave.
Bahçelievler 25.5 15.8 K182 Mimar Sinan Ave.
28.1 17.5 K183 Değirmenbahçe Ave.
29.4 18.3 K184 Sanayi Ave. Northbound exit, southbound entrance and exit
Bakırköy 30.1 18.7 K185 D.100 — Çobançeşme
31.7 19.7 - Atatürk Havalimanı Ave. — Atatürk Int. Airport Transition into Boulevard
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References
  1. KGM otoyollar Haritası - İstanbul
  2. Project details
  3. Kuzey Marmara Otoyolu ihalesi sonuçlandı
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