Minnesota State Highway 51

Trunk Highway 51
Snelling Avenue
MN 51 highlighted in red
Route information
Maintained by MnDOT
Length	11.274 mi[2] (18.144 km)
Existed	1933[1]–present
Major junctions
South end	MN 5 in St. Paul
Major intersections	I-94 / US 12 / US 52 in St. Paul MN 36 in Roseville
North end	I-694 / US 10 in Arden Hills
Location
Country	United States
State	Minnesota
Counties	Ramsey
Highway system
Minnesota Trunk Highway System Interstate US State Legislative Scenic
← MN 50 → US 52

Minnesota State Highway 51 (MN 51) is a 11.274-mile-long (18.144 km) highway in Minnesota, which runs from its intersection with State Highway 5 (W. 7th Street) in Saint Paul and continues north to its northern terminus at its interchange with Interstate 694 / U.S. Highway 10 in Arden Hills.

Highway 51 is also known as Snelling Avenue for most of its route. A small section of the route is known as Montreal Avenue in the "West Seventh" and Highland neighborhoods of Saint Paul, and the northern section in Arden Hills is known as Hamline Avenue.

It provides a route for vehicle traffic, as well as the Metro A Line, a Bus rapid transit link operated by Metro. Snelling Avenue is also served by Snelling Avenue station on the Metro Green Line.