Minnesota State Highway 3

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Trunk Highway 3 marker

Trunk Highway 3
Route information
Maintained by MnDOT
Length 43.749 mi[1] (70.407 km)
Existed 1963 – present
Major junctions
South end MN 21 at Faribault

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
North end MN 110 at Inver Grove Heights
Counties Rice, Dakota
Highway system
  • Minnesota Trunk Highways
US 2MN 4

Minnesota State Highway 3 (MN 3) is a state highway in Minnesota, which runs from its intersection with MN 21 in Faribault and continues north to its northern terminus at an interchange with MN 110 in Inver Grove Heights. MN 3 is 44 miles (71 km) in length.

Route description[edit]

MN 3 serves as a north-south route between Inver Grove Heights, Eagan, Rosemount, Farmington, Northfield, and Faribault.

MN 3 travels through open fields just outside of Northfield, and it begins to slope outward as the city is left. Between Farmington and Rosemount, MN 3 is flat and mostly straight through several farm fields, including a turf farm. Between Rosemount and Eagan, however, the road is more curvy. MN 3 follows parallel to a rail line at this point, and the road is heavily wooded. It has many sharp turns with speed limits ranging from 30 to 45 miles per hour (48 to 72 km/h); at least one sharp turn is inadequately banked. Once in Eagan, MN 3 travels through a valley, and then continues to a junction with MN 55 in Inver Grove Heights. It continues northbound to its interchange with I-494, and then continues north through rolling, wooded hills over a mostly straight path until its terminus at MN 110.

Legally, MN 3 is defined as legislative routes 1, 115, and 334 in the Minnesota Statutes. The route is not marked with those numbers.


MN 3 was established in 1963, from the southern portion of former MN 218. This route was originally numbered 65 as part of old U.S. Highway 65 (US 65) from 1927 to 1934. It was built between Faribault and MN 149 in Inver Grove Heights and was paved as early as 1929.[2]

The route was renumbered 218 in 1934 as part of old US 218 from 1934 to 1935, which was eventually redesignated MN 218 from 1935 to 1963. The route was renumbered MN 3 in 1963.[2]

MN 3 follows a roadway from Faribault to Inver Grove Heights that previously extended north through West St. Paul, downtown Saint Paul, and ended at the State Capitol. This section is still under state maintenance as unmarked MN 952.

The route was once part of the Jefferson Highway, an automobile highway stretching through the central U.S. until the late 1920s. MN 3 is still part of unmarked Constitutional Route 1.

From the late 1970s to 1994, MN 3 was previously routed on the Lafayette Freeway through South St. Paul / West St. Paul to downtown Saint Paul. Nearby US 52 was routed on a stretch of Robert Street during this period of time. The Lafayette Freeway was completely constructed in 1994, US 52 was then rerouted along that route and MN 3 was shortened to its current northern terminus at its junction with MN 110 in Inver Grove Heights.[2]

Major intersections[edit]

RiceFaribault0.0000.000 MN 21 (Lyndale Avenue)
Northfield12.29919.793 MN 246 east (Woodley Street)
12.76620.545 MN 19 west (5th Street)South end of MN 19 overlap
13.03620.979 MN 19 east (2nd Street)North end of MN 19 overlap
DakotaFarmington25.35740.808 MN 50 east (Ash Street)
Inver Grove Heights38.33261.689 MN 149 north (Jefferson Trail)
MN 55 (Courthouse Boulevard)Interchange
Inver Grove HeightsSunfish Lake line43.375–
I-494 westInterchange
MN 110Interchange access to I-494 east
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b "Statewide Logpoint Listing" (PDF). Minnesota Department of Transportation. Archived from the original (PDF) on 14 September 2012. Retrieved 22 December 2011. 
  2. ^ a b c Riner, Steve. "Details of routes 1–25". The Unofficial Minnesota Highways Page. Self-published. Retrieved November 28, 2010. [self-published source]

External links[edit]

Route map: Google

KML is from Wikidata