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| Minnesota State Highway 3 | |
|---|---|
| State | MN |
| Type | MN |
| Length mi | 36.6 |
| Established | 1934 |
| Direction a | South |
| Terminus a | Northfield |
| Junction | MN 149 in Rochester |
| Direction b | North |
| Terminus b | Saint Paul |
| Counties | Rice County, Dakota County, Ramsey County |
Minnesota State Highway 3 is a state highway in Minnesota running roughly northeast–southwest through Rice County, Dakota County, and Ramsey County. The route serves as a regional connector between Northfield, Farmington, Apple Valley, and Saint Paul, linking local arterial streets to interstate corridors such as I‑35E and I‑494. The corridor supports commuter, freight, and regional traffic, intersecting state routes like MN 19 and MN 52.
From its southern origin in Northfield, the highway proceeds north through Dundas and rural sections of Rice County before entering Farmington and continuing toward Apple Valley and Eagan. The alignment passes near University of Minnesota (Twin Cities) satellite facilities and crosses tributaries feeding the Mississippi River, transitioning from two‑lane rural roadway to multilane suburban arterial near Dakota County Road 42. Within Dakota County the corridor intersects major routes including MN 13 and grants access to commercial nodes serving residents of Burnsville and Bloomington. Approaching Ramsey County, the highway enters the Twin Cities metropolitan area and terminates in Saint Paul, connecting to urban grids near US 52 and the Mississippi River riverfront.
Originally designated in the early 20th century as part of Minnesota’s trunk highway system, the corridor evolved alongside regional growth and federal initiatives such as the Federal Aid Highway Act of 1956. Route realignments paralleled suburban expansion driven by projects associated with Washington County and metropolitan planning by the Metropolitan Council. During the postwar era, improvements paralleled developments like Mall of America‑era suburbanization and interstate construction exemplified by I‑35W and I‑35E. Local transportation planning documents and corridor studies by agencies including the Minnesota Department of Transportation led to periodic capacity upgrades, bridge replacements, and safety modifications influenced by events such as the I‑35W Mississippi River bridge collapse which reshaped statewide bridge inspection policies. Historical milestones include pavement upgrades during the Great Depression‑era public works programs and later rehabilitation projects funded through state bonding measures and federal transportation grants administered in collaboration with counties like Rice County and Dakota County.
The route connects with several principal corridors that structure regional mobility: intersections with MN 19 near Northfield, junctions with MN 50 and MN 149 that provide links toward Rochester and Faribault, access to I‑494 and I‑35E serving Minneapolis–Saint Paul International Airport area travelers, and connections to US 52 and local arterials feeding Saint Paul neighborhoods. County routes such as Dakota County Road 42 and Ramsey County Road 46 serve as significant cross streets, while bridge crossings over tributaries link to parklands and riverfront zones near Mississippi National River and Recreation Area sites.
Traffic volumes vary from rural segments with modest daily counts to suburban stretches experiencing commuter peaks driven by employment centers in Saint Paul, Bloomington, and Burnsville. Freight movements utilize the corridor to connect regional distribution centers and intermodal facilities associated with the BNSF Railway and Canadian Pacific Kansas City networks, while transit agencies including Metro Transit operate routes paralleling portions of the highway. Safety and congestion patterns mirror regional trends documented by the Minnesota Department of Transportation and Metropolitan Council travel forecasts, with peak hour delays influenced by commuting to nodes such as downtown Saint Paul and employment clusters near I‑35E interchanges.
Planned improvements identified in state and regional plans include capacity enhancements, intersection modernization, signal optimization, and multimodal accommodations coordinated with projects like Gateway Corridor studies and county-level comprehensive plans in Dakota County and Ramsey County. Bridge rehabilitation and resilience measures reflect lessons from statewide infrastructure programs and federal stimulus investments, while transit‑oriented proposals engage stakeholders such as Metropolitan Council, Minnesota Department of Transportation, and local municipalities including Apple Valley and Farmington. Environmental review processes reference resources managed by Minnesota Department of Natural Resources and federal review under the National Environmental Policy Act for projects impacting wetlands and riverine corridors.
The corridor interfaces with an array of state, U.S., and interstate routes including I‑35E, I‑494, US 52, MN 13, MN 19, and MN 50. Local county roads such as Dakota County Road 42 and municipal arterials provide feeder access to communities like Northfield, Farmington, and Saint Paul, while rail connections via BNSF Railway and Canadian Pacific Kansas City underpin freight interchange opportunities. Coordination with regional planning initiatives by the Metropolitan Council and state programs administered by the Minnesota Department of Transportation ensures integration with broader mobility networks including transit services by Metro Transit.
Category:Roads in Minnesota