The Ryfylke Tunnel is an undersea road tunnel in Rogaland county, Norway. It is part of the Norwegian National Road 13 running between North-Jæren (Stavanger/Sandnes) and Ryfylke (district) under the Horgefjord (part of the Boknafjorden).
The tunnel is part of the Ryfast project. It is 14.4 kilometres (8.9 mi) long and is currently the world's longest and deepest subsea road tunnel (until Rogfast opens in the year 2029).
The tunnel is designed for 10,000 vehicles per day and is built with one tube for each traffic-direction, and two vehicular lanes in each tube. The entrance on the Ryfylke side is located about 1 kilometre (0.62 mi) north of Solbakk in Strand municipality (just south of Tau).
The entrance on the "city side" is on Hundevåg island in Stavanger municipality. Construction began in 2013, and the tunnel opened on 30 December 2019. A half marathon was held in the tunnel on 5 October 2019.
The tunnel has a toll of 140 kr (about $15) for vehicles in tariff group 1 (light vehicles) starting in March 2020, zero-emission vehicles will pay 56 kr (about $6). Tariff group 2 must pay 420 kr (about $46).
According to en.wikipedia