Otoyol 7

O-7
	Otoyol 7
	Northern Marmara Motorway; Kuzey Marmara Otoyolu
	open tendered
Route information
Length	462.7 km (287.5 mi) 95 km (59.03 mi) open; 336 km (208.78 mi) newly tendered; (including connecting roads)
Existed	As Connector 1987-2016, 2016–present
Major junctions
From	O-3 in Kınalı, Silivri
	O-2 in Çekmeköy; O-4 in Sultanbeyli; O-5 in Gebze;
To	O-4 in Akyazı
Location
Regions	Marmara
Provinces	Istanbul Province, Kocaeli Province, Sakarya Province
Major cities	Kınalı, Istanbul, Gebze, İzmit, Adapazarı, Akyazı
Highway system

The Otoyol 7[1] (O-7; English: Motorway 7), or Kuzey Marmara Otoyolu, is a toll motorway intended to bypass Istanbul to the north. The motorway has 243 km between the Kınalı junction and the Akyazı junction, with 8 lanes (4+4 lanes).

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
	Eyüp	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.
	Beykoz	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
	Sancaktepe	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
	Tuzla	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
	Körfez	169.38	105.25	K21	Sevindikli junction
	Derince	175.70	109.18	K22	Toylar junction
	Derince	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
		212.83	132.25	K25	Akmeşe junction
		218.00	135.46		Akmeşe Service Area
Sakarya	Adapazarı	223.81	139.07	K26	-Adapazarı, Kaynarca junction
	Adapazarı	231.84	144.06	K27	Karasu junction
	Akyazı	240.00	149.13		Akyazı Service Area
	Akyazı	243.35	145.62	K28	-Ankara,Istanbul, Akyazı junction

Connecting route

Province	District	km	mi	Exit	Destination	Notes
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
		21.7	13.5	K19	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
	Bakırköy	31.7	19.7	-	Atatürk Havalimanı Ave. — Atatürk Int. Airport	Transition into Boulevard

References

External links

3rd Bosphorus Bridge and Northern Marmara Motorway

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[1] KGM otoyollar Haritası - İstanbul

[2] Project details

[3] Kuzey Marmara Otoyolu ihalesi sonuçlandı

Otoyol routes in Turkey
Current	O-1 O-2 O-3 O-4 O-5¹ O-7¹ O-20 O-21¹ O-21A O-22² O-30 O-31 O-32 O-33 O-51 O-52² O-53 O-54
Former	O-50
Under construction	Kınalı-Balıkesir Motorway
Planned	Afyon–Antalya–Alanya Motorway Ankara–Samsun Motorway Gerede–Gürbulak Motorway Izmir–Ankara Motorway Viranşehir-Diyarbakır Motorway Yalova–Izmit Motorway
¹ Partially under construction ² Extension planned