County Road 42 (Minnesota)

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County Road 42 marker

County Road 42
140th Street, Egan Drive, 150th Street, 145th Street
Route information
Length33.347 mi[1] (53.667 km)
Major junctions
West end CSAH 17 (Marschall Road)
in Shakopee
  MN 13 in Savage

I-35W in Burnsville
I-35E in Burnsville
CSAH 23 (Cedar Avenue)
in Apple Valley
MN 3 in Rosemount
US 52 in Rosemount

MN 55 near Rosemount
East end US 61 at Hastings
CountiesDakota and Scott
Highway system
County roads of Minnesota
Inter-County Highways

County State-Aid Highway 42, usually called County Road 42, is a primary arterial highway in Dakota and Scott Counties of southeastern Minnesota. These two counties form the southernmost portion of the 13 county Twin Cities Metropolitan Area, although County 42 runs across the northern reaches of the two counties.

Route description[edit]

County Road 42 serves as an east–west arterial route for the South of the River suburbs of the Minneapolis – Saint Paul area. The roadway connects the communities of Shakopee, Prior Lake, Savage, Burnsville, Apple Valley, Rosemount, and Hastings; which are all located south of the Minnesota River.

From west to east, the route follows 140th Street, Egan Drive, 150th Street and 145th Street. Its westernmost terminus is at Shakopee in Scott County, where it intersects County Road 17 (Marschall Road). The eastern terminus of County 42 is at Hastings in Dakota County, where it meets U.S. Highway 61.

County 42 is designated as a principal arterial highway by the Metropolitan Council, and the roadway is supposed to have limited commercial access and traffic signals only at one-half mile intervals. However, because it was used as a primary commercial road before its designation as a principal arterial highway, it passes directly through the downtown areas of several cities in Scott and Dakota Counties; most notably Burnsville and Apple Valley in Dakota County

Most of County Road 42 is designated as part of the National Highway System. The major highways it intersects from west to east are: State Highway 13, Interstate 35W, Interstate 35E, Cedar Avenue two miles (3 km) south of the terminus of State Highway 77, State Highway 3, U.S. 52, State Highway 55, and U.S. 61.


County Road 42 was authorized and paved during the 1960s.

In July 2007, construction began to widen County Road 42 to six lanes from Glendale Road in Savage to County Road 5 in Burnsville. Also, the old traffic signals between Glendale Road and County Road 5, were replaced with new ones. The project was completed by summer 2008.


A proposed reconstruction project at the interchange with U.S. Highway 52 in Rosemount, will reconstruct the interchange to a cloverleaf interchange.[2] The purpose of the project is to provide movement between the north and the east with the closure of the nearby US 52 / MN 55 interchange. Phase 1 of construction will start in 2017, with widening of County Road 42 to 4 lanes, including turn lanes and replacement of Highway 52 bridges.[3]

Major Intersections[edit]

ScottShakopee0.0000.000 CSAH 17 (Marschall Road)Western terminus; unsignalized
Prior Lake1.5422.482 CSAH 83 (Canterbury Road South)
3.0394.891 CSAH 21 (Eagle Creek Avenue Northeast)
4.5187.271 CSAH 18 (Crest Avenue Northeast)
Savage5.9739.613 MN 13
6.99611.259 CSAH 27 (Dakota Avenue South)
DakotaBurnsville9.71115.628 CSAH 5
10.74417.291 I-35WInterchange
11.10517.872 I-35EInterchange
12.15119.555 CR 11
Apple Valley14.36023.110 CSAH 23 (Cedar Avenue)To MN 77
14.79023.802Galaxie Avenue West
16.29626.226 CSAH 31 (Pilot Knob Road)
Rosemount18.72030.127 MN 3
23.52437.858 US 52Interchange
27.63144.468 MN 55Unsignalized
Hastings33.34753.667 US 61Eastern terminus; underpass
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


Route map:

KML is from Wikidata
  1. ^ a b "Logpoint Listings". Minnesota Department of Transportation. Retrieved May 11, 2016.
  2. ^ "Archived copy". Archived from the original on 2011-11-01. Retrieved 2011-09-21.CS1 maint: Archived copy as title (link)
  3. ^ "County Road 42 at Highway 52, Rosemount". Dakota County. Retrieved June 14, 2016.