Norwegian National Road 4
| National Road 4 | ||||
|---|---|---|---|---|
| Bokmål: Riksvei 4 Nynorsk: Riksveg 4 | ||||
| Route information | ||||
| Maintained by Norwegian Public Roads Administration | ||||
| Length | 137 km (85 mi) | |||
| Major junctions | ||||
| North end | Biri, Gjøvik | |||
| E6 – Hamar, Lillehammer E16 – Jessheim, Hønefoss Rv150 (Ring 3) – Oslo | ||||
| South end | Sinsen, Oslo | |||
| Location | ||||
| Country | Norway | |||
| Highway system | ||||
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Norwegian National Road 4 (Norwegian: Riksvei 4, Rv4) is a national road in Norway which is the main route north from the capital city of Oslo to the junction with the European route E6 highway at the village of Biri in Gjøvik Municipality. The road runs through Nittedal, Hadeland, and Toten to its terminus on the shore of the lake Mjøsa. In 2021, the government began studying ways to improve the road to allieviate traffic problems.