Kağıthane–Piyalepaşa Tunnel
Kağıthane–Piyalepaşa Tüneli

Overview
Location	Kağıthane – Piyalepaşa, Beyoğlu (Istanbul, Turkey)
Coordinates	41°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
Operation
Work begun	2005
Opened	14 March 2009 (2009-03-14)
Owner	Istanbul Metropolitan Municipality
Traffic	automotive
Technical
Length	1,625 m (5,331 ft) (east bound) 1,625 m (5,331 ft) (west bound)
No. of lanes	2x2
Operating speed	70 km/h (43 mph)
Tunnel clearance	7.33 m (24.0 ft)
Width	11.80 m (38.7 ft)

Kağıtane

Piyalepaşa

Location of Kağıthane–Piyalepaşa Tunnel in Istanbul

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.

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]

References