Minnesota State Highway 42

Trunk Highway 42
MN 42 highlighted in red
Route information
Maintained by MnDOT
Length	30.717 mi[1] (49.434 km)
Existed	1920–present
Major junctions
South end	I-90 near Eyota
Major intersections	US 14 at Eyota MN 247 at Plainview
North end	US 61 at Kellogg
Location
Country	United States
State	Minnesota
Counties	Olmsted, Wabasha
Highway system
Minnesota Trunk Highway System Interstate US State Legislative Scenic
← MN 41 → MN 43

Minnesota State Highway 42 (MN 42) is a 30.717-mile-long (49.434 km) highway in southeast Minnesota, which runs from its interchange with Interstate 90 near Eyota and continues north and northeast to its northern terminus at its intersection with U.S. Highway 61 in Kellogg.