Otoyol 7

O-7
O-7
Northern Marmara Motorway; Northern Beltway; Third Beltway; Kuzey Marmara Otoyolu; Kuzey Çevreyolu; Üçüncü Çevreyolu
Route information
Length	462.7 km (287.5 mi)
Existed	2021–present
Major junctions
From	O-3 "Kınalı K10" junction in Silivri
	O-2 in Çekmeköy; O-4 in Sultanbeyli; O-5 in Gebze;
To	O-4 in Akyazı
Location
Country	Turkey
Regions	Marmara
Provinces	Istanbul Province, Kocaeli Province, Sakarya Province
Major cities	Silivri, Istanbul, Gebze, İzmit, Adapazarı, Akyazı
Highway system
	Highways in Turkey; Motorways List; ; State Highways List; ;

The Otoyol 7^[2] (O-7; English: Motorway 7), or Northen Marmara Motorway(Turkish: Kuzey Marmara Otoyolu),^[3] is a toll motorway in Turkey that bypasses Istanbul to the north. The motorway is 248 km in length between the Kınalı junction and the Akyazı junction, and is 8 lanes wide (4+4 lanes).Within the scope of the Build-Operate-Transfer Model Construction, Operation and Transfer of Kınalı-Odayeri (Including Connection Roads) Section (North Marmara Europan Motorway) and Kurtköy-Akyazı (Including Connection Roads) Section (North Marmara Anatolian Motorway) of the Northern Marmara Motorway (Including the 3rd Bosphorus Bridge) Project, it is composed of two separate authorized companies, namely "AVRUPA OTOYOLU YATIRIM VE İŞLETME AŞ". on the European side and "KMO ANADOLU OTOYOLU İŞLETME AŞ". on the Asian side.^[4]

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 road crossing of the Bosphorus. The route stretches 250 km (160 mi) 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 and will bypass Istanbul to the north.

Up to 2016, the only section under construction was the 56 km (35 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. The section of motorway south of O-3 was constructed in 1987 and was listed as a connector of the O-3 until 2016. The T1 and T2 tunnels on this highway were the location for the world's longest flight through a tunnel ^[5]

Exit list

Main route


Province	District	km	mi	Exit	Destination	Notes
Istanbul	Silivri (Kınalı)	0.00	0.00	K10	E80--Istanbul/Edirne (Kınalı junction)	E80 route
	Silivri	10.10	6.26	K2	North Marmara Europan Motorway "Silivri" junction	E80 route
	Çatalca	19.00	11.81		Çatalca Service Area
		20.37	12.66		Çatalca KMO - T1 Tunnel
		22.45	13.95		Çatalca KMO - T2 Tunnel
		25.8	15.6	K3	North Marmara Europan Motorway "Çatalca" junction→
	Çatalca (Nakkaş)	32.4	21.40	K4	North Marmara Europan Motorway "Nakkaş" junction	E80 route
	Arnavutköy	37.50	23.30		Yassıören Service Area
		41.60	25.85	K5	North Marmara Europan Motorway "Yassıören" junction	E80 route
		48.28	30	K6	North Marmara Europan Motorway "Tayakadın" junction	E80 route
		51.00	31.69		Tayakadın Service Area
		54.13	33.64	K7	North Marmara Europan Motorway "Terminal2" Junction→Istanbul Airport	E80 route
		56.52	35.12	K8	North Marmara Europan Motorway "Terminal1" Junction→Istanbul Airport	E80 route
		58.21	36.17	K9	North Marmara Europan Motorway "Kargo" Junction→Istanbul Airport	E80 route
	Eyüpsultan	61.00	37.90	K10	North Marmara Europan Motorway "Odayeri" Junction→Northen Beltway	Connects to Northen Beltway,İstanbul Third Beltway
	Eyüpsultan	64.40	40.02		Odayeri Service Area
	Sarıyer	77.00	47.85	K11	Northen Motorway "Uskumruköy" junction	E80 route
	Sarıyer–Beykoz	85.00	52.82		Yavuz Sultan Selim Bridge	E80 route
	Beykoz	93.00	57.79	K12	Northen Motorway "Riva" junction	E80 route
	Beykoz	101.00	62.76		Riva Tunnel
	Çekmeköy	105.00	65.25	K13	Northen Motorway "Hüseyinli" Junction	E80 route
		107.00	66.49		Reşadiye Service Area
		113.00	70.22	K14	Northen Motorway "Reşadiye" junction O-2/O-7 Connector	E80 route
	Sancaktepe	115.5	71	K15	Northen Motorway "Alemdağ" Junction→-Pendik,Şile	E80 route
	Sancaktepe	117.9	71.46	K16	Northen Motorway "Paşaköy" junction	E80 route
	Pendik	124.8	77.67	K17	Northen Motorway "Mecidiye" junction O-4/O-7 Connector	Connects to Sabiha Gökçen Airport
	Tuzla	135.2	85.29	K18	North Marmara Anatolian Motorway "Istanbul Park" junction	E80 route
	Tuzla	137.6	86.48		Istanbul Park Service Area
Kocaeli	Gebze	140.2	88.40	K19	North Marmara Anatolian Motorway "Gebze OSB" junction
		146.70	91.16		Mollafenari Service Area
		148.50	93.52	K20	North Marmara Anatolian Motorway "Liman" junction connects to and	connects E80 to E881
	Körfez	163.65	101.69		Sevindikli Service Area
	Körfez	166.2	105.25	K21	North Marmara Anatolian Motorway "Sevindikli" junction
	Derince	178.15	110.70		Kocaeli KMO - T1 Tunnel
	Derince	183.20	113.84		Kocaeli KMO - T2 Tunnel
	İzmit	185.50	115.27		Kocaeli KMO - T3 Tunnel
		185.90	115.52		Kocaeli KMO - T4 Tunnel
		189.06	115.48		Kocaeli KMO - T5 Tunnel
		190.70	121.05	K24	North Marmara Anatolian Motorway "İzmit" junction →İzmit
		198.00	123.03		İzmit Service Area
		193.0	132.25	K25	North Marmara Anatolian Motorway "TEM İzmit" junction connect to
		218.00	135.46		Akmeşe Service Area
		210.8	139.07	K26	North Marmara Anatolian Motorway "Akmeşe" junction
Sakarya	Adapazarı	221.4	144.06	K27	North Marmara Anatolian Motorway "Adapazarı" junction→
	Adapazarı	229.4	144.06	K28	North Marmara Anatolian Motorway "Karasu" junction→
	Akyazı	240.9	144.06	K29	North Marmara Anatolian Motorway "D100 Akyazı" junction→
	Akyazı	248.7	145.62	K30	North Marmara Anatolian Motorway "TEM Akyazı" junction connect to -Ankara, Istanbul	E80 route
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Tolled

Northen Beltway route

Province	District	km	mi	Exit	Destinations	Notes
Istanbul	Bağcılar	0.0	0.0	K19	O-3 "Mahmutbey Batı" junction	west beginning of Northern Beltway
	Başakşehir	0.2	0.12	K36	Northern Beltway "İstoç TEM" junction	Northen Beltway or İstanbul Third Beltway
		0.8	0.50	K35	Northern Beltway "İstoç OSB" junction
		2.0	1.2	K34	Northern Beltway "İkitelli OSB" junction
		4.4	2.7	K33	Northern Beltway "Başakşehir Merkez" junction
		5.8	3.6	K32	Northern Beltway "Başakşehir" junction	European side 3rd Beltway and 2nd Beltway connection road
	Arnavutköy	8.5	5.3	K31	Northern Beltway "Fenertepe" junction
	Eyüpsultan	17.6	10.9	K30	Northern Beltway "Işıklar" junction
	Eyüpsultan	20.4	12.7	K10	Northern Beltway "Odayeri" junction	E80 O-7 route
	Sarıyer	36.0	22.4	K11	Northern Beltway "Uskumruköy" junction	E80 O-7 route
	Bosphorus	43.8	27.2	Yavuz Sultan Selim Bridge
	Beykoz	51.9	32.2	K12	Northern Beltway "Riva" junction	E80 O-7 route
	Çekmeköy	64.5	40.1	K13	Northern Beltway "Hüseyinli" junction	E80 O-7 route
	Çekmeköy	71.9	44.7	K14	Northern Beltway "Reşadiye" junction	Anatolian side 3rd Beltway and 2nd Beltway connection road
	Sancaktepe	74.4	46.2	K15	Northern Beltway "Alemdağ" junction	E80 O-7 route
	Sancaktepe	76.8	47.7	K16	Northern Beltway "Paşaköy" junction	E80 O-7 route
	Pendik	83.7	52.0	K17	Northern Beltway "Mecidiye" junction	E80 O-7 route
	Sultanbeyli	86.5	53.7	K3-1	O-4 "Mecidiye 1" junction	east end of Northen Beltway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Tolled

Notable accidents

28 December 2023 — At least 10 people were killed and 61 others injured in a multiple-vehicle collision in Sakarya Province, Turkey.^[6]

References

External links

This Turkish road or road transport-related article is a stub. You can help Wikipedia by expanding it.

[1] ttps://www.ysskoprusuveotoyolu.com.tr/EN/map

[2] KGM Motorways Map - İstanbul

[3] ttps://www.kuzeymarmaraotoyolu.com

[4] ttps://www.kuzeymarmaraotoyolu.com/hakkimizda

[5] İstanbul Motorway roads

[6] ttps://www.trthaber.com/haber/turkiye/kuzey-marmara-otoyolunda-zincirleme-kaza-10-olu-61-yarali-824374.html

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[6]

v t e Otoyol routes in Turkey
Current	O-1 O-2 O-3 O-4 O-5 O-6² 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
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