Orhangazi Tunnel

The Orhangazi Tunnel, is a motorway tunnel located at Samanlı Mountains in Marmara Region as part of the Istanbul-Bursa Motorway <img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/O5-TR_sign.svg/60px-O5-TR_sign.svg.png" decoding="async" height="24" width="55" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/O5-TR_sign.svg/120px-O5-TR_sign.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d8/O5-TR_sign.svg/120px-O5-TR_sign.svg.png 2x" class="mw-file-element" /> O-5 in Turkey.

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Wikidata
length: 3591 metre, 
tunnel, 

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Location: 40.5658, 29.3553, KML, Cluster Map, Maps,
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  Orhangazi Tunnel ⓘ
  motorway tunnel in Marmara, Turkey

Frameless

Type	Subtype	Date	Description	Notes	Source
site	tunnel		Orhangazi Tunnel	tunnel	Wikidata