Finnish national road 55

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Highway 55
Kantatie 55 (Finnish) Stamväg 55 (Swedish)
Kantatie 55, Stamväg 55
Route information
Maintained by the Finnish Transport Agency
Length	36 km (22 mi)
Major junctions
From	Mäntsälä
To	Porvoo
Location
Country	Finland
Highway system
Highways in Finland

The Finnish national road 55 (Finnish: Kantatie 55; Swedish: Stamväg 55) is the 2nd class main route between the municipality of Mäntsälä and the city of Porvoo in southern Finland.^[1][2] It also passes through the municipality of Askola. Going in the opposite direction, from Mäntsälä to Hanko, the road continues as the 1st class main road 25. Together with the aforementioned road, it forms the Helsinki Metropolitan Circuit and is often referred to as the outer beltway of the Greater Helsinki or also known as the Ring V.