Minnesota State Highway 3

Trunk Highway 3
MN 3 highlighted in red
Route information
Maintained by MnDOT
Length	49.130 mi[1] (79.067 km)
Existed	1963–present
Major junctions
South end	MN 21 at Faribault
Major intersections	MN 19 / MN 246 at Northfield MN 50 at Farmington CSAH 42 at Rosemount MN 149 at Inver Grove Heights MN 55 at Inver Grove Heights I-494 at Inver Grove Heights MN 62 at Inver Grove Heights
North end	MN 5 in Saint Paul
Location
Country	United States
State	Minnesota
Counties	Rice, Dakota, Ramsey
Highway system
Minnesota Trunk Highway System Interstate US State Legislative Scenic
← US 2 → MN 4

Minnesota State Highway 3 (MN 3) is a 43.749-mile-long (70.407 km) state highway in Minnesota, which runs from its intersection with MN 21 in Faribault and continues north to its northern terminus at an intersection with MN 5 in downtown Saint Paul. Until the resigning of a previously unsigned highway in 2019, the route's northern terminus was an interchange with MN 62 in Inver Grove Heights.