European route E4, Major transit corridor through Sweden
The European route E4 is a major thoroughfare in Sweden, stretching from the Finnish border at Haparanda to Helsingborg in the south. It runs along the Gulf of Bothnia and crosses much of the country over a distance of roughly 1,590 kilometers.
Until 1962, the sections were designated as national Highway 1 between Helsingborg and Stockholm and Highway 13 from Stockholm to Haparanda. Following the renumbering to E4, it became the longest national European route in Sweden.
For many kilometers, the road follows Sweden's eastern coast and is often seen as a coastal route in the north. Further south, it passes through more densely populated regions, linking local communities with larger centers.
North of Gävle, the road alternates between standard lanes and the 2+1 system, while further south it mostly runs as a continuous motorway. Drivers should be prepared for speed changes and overtaking rules that vary depending on the section.
After the E45, it is the second longest continuous European route that runs entirely within a single European Union country. It crosses climatically and geographically very different regions from the far north to the southern coast.
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