Finnish national road 51

Highway 51
Highway 51
Kantatie 51 (Finnish); Stamväg 51 (Swedish);
Länsiväylä, Jorvaksentie
Route information
	Maintained by the Finnish Transport Agency
Length	74 km (46 mi)
Existed	1938–present
Major junctions
From	Helsinki
To	Karis
Location
Country	Finland
Major cities	Espoo
Highway system
	Highways in Finland;

The Finnish national road 51 (Finnish: Kantatie 51; Swedish: Stamväg 51) is the 2nd class main route between the major cities of Helsinki and Raseborg in southern Finland. It runs from Ruoholahti in Helsinki and passes through Espoo to Kirkkonummi as a motorway called Länsiväylä (Swedish: Västerleden), where it continues to Karis in Raseborg as a smaller road.