Otoyol 4

O-4 shield}}

O-4
Otoyol 4
Anadolu Otoyolu
Route information
Part of
Length: 372 km (231 mi)
Existed: 2007 – present
Major junctions
From: Istanbul
To: Ankara
Location
Regions: Marmara, Black Sea, Central Anatolia
Provinces: Istanbul, Kocaeli, Sakarya, Düzce, Bolu, Ankara
Major cities: Istanbul, Izmit, Bolu, Ankara
Highway system
Öamlıca Toll plaza on the east end of Otoyol 4 in Istanbul.

Otoyol 4 (English: Motorway 4), abbreviated as O-4, also known as Anadolu Otoyolu (English: Anatolia Motorway), is a toll motorway running from Marmara Region through Black Sea Region to Central Anatolia Region in Turkey, connecting the cities Istanbul and Ankara. From its western terminus at Istanbul's outer beltway O-2 to the junction by Gerede, it is part of European route E80. The section of the motorway between Gerede junction and its eastern terminus at Ankara's beltway O-20, it is part of European route E89. The O-4 is also part of the international Asian Highway 1.

Province km Exit No. Destinations Notes
Istanbul 0 0 K9 Anadolu Otoyolu O-2 Feeders to O-1 and D.100
Çamlıca Toll plaza
3.3 3.3 K1 IMES (Also serves to Küçükbakkalköy and Dudullu)
Parking area
4.6 7.9 K2 Samandıra (Also serves to Sarıgazi, Sultanbeyli, Yakacık, Soğanlık and Kartal) Feeder to D.100
12.1 20.0 K3 Kurtköy 1 (Also serves to Sultanbeyli, Pendik and Orhanlı) Sabiha Gökçen Int'l Airport
Feeder to D.100
Service area
Viaport Shopping Center
1.6 21.6 K4 Otoyol Havaalanı Sabiha Gökçen Int'l Airport (Also serves to Orhanlı and Kurtköy)
Kocaeli 8.0 29.6 K5 Şekerpınar 1 (Also serves to Orhanlı, Çayırova and Tuzla) Feeder to D.100
Parking area
10.2 39.8 K6 Gebze East Feeder to D.100
6.2 46.0 K7 Diliskelesi Feeder to D.100
Diliskelesi Tunnel
Parking area (westbound only)
6.1 52.1 K8 Hereke West 1 Feeder to D.100
Hereke Tunnel
2.4 54.5 K9 Hereke East 1 Feeder to D.100
Viaduct Çenedere
13.4 67.9 K10 Körfez 1 (Also serves to Derince) Feeder to D.100
Service area
7.2 75.1 K11 İzmit West 1 (Also serves to Yalova and Bursa) Feeder to D.100
Viaduct Çamlıdere
Viaduct Kopantepe
Parking area (eastbound only)
Viaduct Danış Koper
Korutepe Tunnel
Viaduct Mustafa İnan
Gültepe Tunnel
Viaduct Yenidoğan
Parking area
11.7 86.8 K12 Kandıra 1 (Also serves to Gölcük) Feeder to D.100
7.4 94.2 K13 İzmit East 1 (Also serves to Kartepe) Feeder to D.100
Service area
Sakarya 7.3 101.5 K14 Sapanca 1
Parking area
12.6 114.1 K15 Adapazarı 1 (Also serves to Bilecik) D.650 D.100
Parking area
16.7 130.8 K16 Akyazı 1 (Also serves to Mudurnu) D.140
Service area
Parkshop Outlet Center
13.6 137.4 K17 Hendek 1
Parking area
Düzce Viaduct Gümüşova
31.6 169.0 K18 Düzce (Also serves to Gölyaka and Akçakoca) Feeder to D.100

 Bridge Küçük Melen Creek
Service area
20.8 189.8 K19 Kaynaşlı D.100
Viaduct No.1
Bolu Viaduct No.2
Viaduct No.3
Viaduct No.4
2.9 km (1.8 mi) Mount Bolu Tunnel
11.1 200.9 K20 Abant (Also serves to Mudurnu and Göynük) D.100
Viaduct Abant-1
Viaduct Abant-2
7.0 207.9 K21 Bolu West D.100
Parking area
19.2 227.1 K22 Çaydurt (Also serves to Mengen, Devrek and Zonguldak) D.100
Parking area
22.5 249.6 K23 Yeniçağa D.100
Service area
Metro
9.9 259.5 K24 Dörtdivan D.100
6.7 266.2 K25 Gerede (Also serves to Karabük and D.100 D.750
Viaduct Asım Çavuşoğlu
Service area
Dorukkaya
Ankara Parking area
45.1 311.1 K26 Çamlıdere
Parking area
15.8 326.9 K27 Kızılcahamam
Service area
Moil
Toll plaza Akıncılar
44.8 371.7 K1 Ankara O-20

External links

Wikimedia Commons has media related to Otoyol 4.