| Provincial road 34-12 İl yolu 34-12 | |
|---|---|
| O1-O2 bağlantısı | |
 | |
| Route information | |
| Length | 4 km (2.5 mi) |
| Existed | 1991–present |
| Major junctions | |
| From |  O-1 in Üsküdar, Istanbul |
| To |  O-2 in Ataşehir, Istanbul |
| Location | |
| Country | Turkey |
| Regions | Marmara |
| Provinces | Istanbul |
| Major cities | Üsküdar, Ataşehir, Ümraniye |
| Highway system | |
The provincical road is a connector route linking the motorway O-1 (Istanbul First Beltway) to the motorway O-2 (Istanbul Second Beltway). [1] [2]
The entire route is in Istanbul Province.
| District | km | mi | Exit | Destinations | Notes | |
|---|---|---|---|---|---|---|
| Üsküdar | 0.0 | 0.0 | K13 | O-1 Çamlıca junction | O-1 İstanbul First Beltway | |
| Ataşehir | 0.6 | 0.37 | K.. | "Fetih" neighborhood exit | ||
| 1.8 | 1.1 | K.. | Entrance from "Esatpaşa" neighborhood | |||
| 2.6 | 1.6 | K.. | Etrance from "Aşıkveysel" neighborhood in Ataşehir, "Esenevler" neighborhood exit in Ümraniye | |||
| 3.5 | 2.2 | K.. | "Batı Ataşehir" junction | Northbond "Finanskent" neighborhood İn Ümraniye, Southbound "Barbaros" neighborhood in Ataşehir | ||
| 4 | 2.5 | K10 | O-2"Anadolu otoyolu" junction | O-2 İstanbul Second Beltway | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | ||||||
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Otoyol 4, named Anatolian Motorway and abbreviated as O-4, is a toll motorway connecting the northwestern Marmara Region to the Central Anatolia Region in Turkey. It runs parallel to the D.100 for more than half of its length and then parallels the D750 for most of the eastern half. The O-4 is a major expressway in Turkey as it connects eastern Istanbul and the heavily urbanized northeastern shore of the Sea of Marmara to the nation's capital, Ankara. The O-4 also makes up part of the International E-road network E80 and E89 as well as the AH-1 of the Asian Highway Network.
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Bayraklı Tunnels, formerly Karşıyaka Tunnels, are two motorway tunnels in series located on the İzmir's northern beltway, motorway O-30 E87, in Bayraklı district between Karşıyaka and Bornova of Izmir Province, western Turkey.
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The D.330 is an east-to-west state road in southern Turkey, running from Turgutreis in Muğla Province to Akçadağ in Malatya Province.
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It is the provincial road numbered 34-02, which connects the 3rd Beltway to the D.020 State road.
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