Kağıthane–Piyalepaşa Tunnel

The Kağıthane–Piyalepaşa Tunnel (Turkish: Kağıthane–Piyalepaşa Tüneli) is a twin-tube road tunnel under the inner city of Istanbul, Turkey connecting the Kağıthane district and Piyalepaşa Boulevard in Beyoğlu district. Opened in 2009, it is 1,625 m (5,331 ft) long.

Kağıthane–Piyalepaşa Tunnel
Kağıthane–Piyalepaşa Tüneli
Kagıthane piyalepasa tünel.jpg
LocationKağıthane – Piyalepaşa, Beyoğlu (Istanbul, Turkey)
Coordinates41°03′47″N 28°57′18″E / 41.06304°N 28.95501°E / 41.06304; 28.95501 41°03′18″N 28°58′14″E / 41.05487°N 28.97060°E / 41.05487; 28.97060
Work begun2005
Opened14 March 2009; 14 years ago (2009-03-14)
OwnerIstanbul Metropolitan Municipality
Length1,625 m (5,331 ft) (east bound)
1,625 m (5,331 ft) (west bound)
No. of lanes2x2
Operating speed70 km/h (43 mph)
Tunnel clearance7.33 m (24.0 ft)
Width11.80 m (38.7 ft)
Kağıthane–Piyalepaşa Tunnel is located in Istanbul
Location of Kağıthane–Piyalepaşa Tunnel in Istanbul

The tunnel is part of a project of the Istanbul Metropolitan Municipality to build seven tunnels for the "City of Seven Hills", which is the nickname of Istanbul. It was opened on 14 March 2009 as the first tunnel of this project after a construction time of four years. Its southeast entry is situated on the Piyalepaşa Boulevard, which runs between the neighborhoods Okmeydanı and Kasımpaşa. The northwest entry is located in Kağıhane. The two independent tubes with two lanes each are 11.80 m (38.7 ft) wide, 7.33 m (24.0 ft) high and 1,625 m (1.010 mi) long.[1]


  1. ^ "TKM Web Site 2015". tkm.ibb.gov.tr. Archived from the original on January 29, 2016.