Trunk Highway 70 | ||||
|---|---|---|---|---|
MN 70 highlighted in red
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| Route information | ||||
| Maintained by MnDOT | ||||
| Length | 29.333 mi[1] (47.207 km) | |||
| Existed | 1933–present | |||
| Major junctions | ||||
| West end |  MN 65atBrunswick | |||
| Major intersections |  MN 107 near Grasston I-35atRock Creek | |||
| East end |  WIS 70 at the St. Croix River,near Grantsburg, WI | |||
| Location | ||||
| Country | United States | |||
| State | Minnesota | |||
| Counties | Kanabec, Pine | |||
| Highway system | ||||
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Minnesota State Highway 70 (MN 70) is a 29.333-mile-long (47.207 km) highway in east-central Minnesota, which runs from its intersection with State Highway 65inBrunswick 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.
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 (atGrasston / Braham) to the Wisconsin state line in 1933.[2]
The portion of Highway 70 between State Highway 65 (atBrunswick) and State Highway 107 (atGrasston) was part of the original route of Highway 65 until c. 1942 when the current short-cut of Highway 65 was built.[2]
Highway 70 in Minnesota was completely paved c. 1949.[2]
| County | Location | mi[1][3] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Kanabec | Brunswick Township | 0.000 | 0.000 |  MN 65 / CSAH 47 – Cambridge, Mora | |
| 7.248 | 11.665 | MN 107toMN 23 | West end of MN 107 concurrency | ||
| Grass Lake Township | 10.446 | 16.811 |  MN 107 / CSAH 41 – Braham | East end of MN 107 concurrency | |
| Pine | Rock Creek | 18.668– 18.800 | 30.043– 30.256 | I-35 – Duluth, Saint Paul, Minneapolis | Interchange |
| 19.841 | 31.931 |    CSAH 61 / Old US 61 / Truck MN 70 west | Former MN 361 | ||
| 20.685 | 33.289 |  CSAH 70 / Truck MN 70 east | |||
| 22.048 | 35.483 |   CSAH 4 / CR 106 | Old Point Douglas to Superior Military Road | ||
| St. Croix River | 29.398 | 47.311 | Wisconsin state line | ||
 WIS 70 east – Grantsburg | Continuation into Wisconsin | ||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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