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| Bokmål: Riksvei 13 Nynorsk: Riksveg 13 | ||||
  Location in Western Norway | ||||
| Route information | ||||
| Maintained by Norwegian Public Roads Administration | ||||
| Major junctions | ||||
| North end | Sogndalsfjøra, Vestland | |||
 Rv5 – Sogndalsfjøra – Vik, Sogn E16 east – Nedre Vinjo E16 west – Bergen Rv7 – Eidfjord E134 west – Etnesjøen E134 east – Haukeli – Hjelmelandsvågen E39 – Stavanger | ||||
| South end | Stavanger, Rogaland | |||
| Location | ||||
| Country | Norway | |||
| Highway system | ||||
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National Road 13 (Norwegian: Riksvei 13, Rv13) is a national road which runs from the town of Stavanger in Rogaland county to the village of Sogndalsfjøra in Vestland county. The route is 449.9 kilometers (279.6 mi) long and runs south–north through Rogaland and Vestland counties, following a more inland path than the European route E39 highway.
Prior to 2019, the northern terminus of the road was at the village of Balestrand, but in 2019, the section of Norwegian County Road 55 from Balestrand to Sogndalsfjøra was added to National Road 13, extending it all the way to Sogndalsfjøra. In 2020, a new tunnel was opened between Stavanger and Tau, Ryfylke Tunnel, the world's deepest public road tunnel. National Road 13 was then rerouted through this tunnel, making it end in Stavanger instead of Sandnes. The road between Tau and Sandnes which has a ferry crossing (Oanes to Lauvika across the Høgsfjorden) became county roads.