Minnesota State Highway 70

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Trunk Highway 70 marker

Trunk Highway 70
Route information
Maintained by MnDOT
Length29.333 mi[1] (47.207 km)
Major junctions
West endMN-65.svg MN 65 at Brunswick
 MN-107.svg MN 107 near Grasston
I-35.svg I-35 at Rock Creek
East endWIS 70.svg WIS 70 at the St. Croix River,
near Grantsburg, WI
CountiesKanabec, Pine
Highway system
  • Minnesota Trunk Highways
US 69US 71

Minnesota State Highway 70 (MN 70) is a highway in east-central Minnesota, which runs from its intersection with State Highway 65 in Brunswick and continues east to its eastern terminus at the Wisconsin state line (near Grantsburg, WI), where it becomes Wisconsin Highway 70 upon crossing the St. Croix River.

Minnesota Highway 70 is 29 miles (47 km) in length.

Route description[edit]

Highway 70 serves as an east–west route between Mora, Brunswick, Rock Creek, and Grantsburg, WI.

The route has an interchange with Interstate 35 at the city of Rock Creek.

Highway 70 in Minnesota is a narrow roadway. The connecting route in Wisconsin, Wisconsin Highway 70, is a wide roadway with large shoulders. Highway 70 in Minnesota carries a great amount of recreational traffic to Wisconsin, as Twin Cities residents try to avoid nearby U.S. Highway 8, which is often a traffic congested route.


The route in Minnesota was numbered to correspond with Wisconsin Highway 70.[2]

Minnesota 70 was authorized east of State Highway 107 (at Grasston / Braham) to the Wisconsin state line in 1933.[2]

The portion of Highway 70 between State Highway 65 (at Brunswick) and State Highway 107 (at Grasston) was part of the original route of Highway 65 until circa 1942 when the current short-cut of Highway 65 was built.[2]

Highway 70 in Minnesota was completely paved circa 1949.[2]

Major intersections[edit]

KanabecBrunswick Township0.0000.000 MN 65
1.5102.430 CR 11 (Mahogany Street)
Grass Lake Township3.5055.641 CR 7 (Olympic Street)
6.35110.221 CR 5 (Queen Street)
7.24811.665 MN 107North end of MN 107 concurrency
CR 28
10.44616.811 MN 107South end of MN 107 concurrency
PineRoyalton Township14.70623.667 CR 1 south
15.03124.190 CR 1 north
Rock Creek18.16129.227 CR 23
19.84131.931 CR 61Old US 61
22.04835.483 CR 4Old Point Douglas to Superior Military Road
25.64241.267 CR 3
St. Croix River29.39847.311Wisconsin state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


Route map:

KML is from Wikidata
  1. ^ a b "Trunk Highway Log Point Listing - Construction District 1" (PDF). Minnesota Department of Transportation. August 20, 2010. Archived from the original (PDF) on December 4, 2008. Retrieved October 26, 2010.
  2. ^ a b c d Riner, Steve. "Details of routes 51–75". The Unofficial Minnesota Highways Page. Self-published. Retrieved October 26, 2010.[self-published source]
  3. ^ "Trunk Highway Log Point Listing - Construction District 3" (PDF). Minnesota Department of Transportation. August 23, 2010. Archived from the original (PDF) on December 4, 2008. Retrieved October 26, 2010.