Montana Department of Transportation

Malcolm “Mack” Long, Director


View the Governor’s Coronavirus Task Force site for more information.

Main Content

Public Involvement

Finalized EIS & EA

See also: Current Environmental Documents

Arthur Avenue - Missoula

Battlefield Rest Area/Interchange


Belfry-North EA

Bench Blvd

Bigfork North & South EA

Billings 6th Ave to Bench Blvd

Billings Airport Road

Billings ByPass

Boulder - South

Brockton East

Canyon Ferry Road

Conner N&S

Culbertson East To North Dakota

Cut Bank RR Overpass

Fairfield to Dupuyer Corridor Study

Flathead River - 3km East of Kalispell

Four Corners North and Belgrade South

Gallatin Canyon Slope Flattening/Widening

Grayling Creek - North of US20

I-15 Corridor

I-90 East Belgrade Interchange

Junction MT85-East

Junction US 2 - North

Kearl Module Transport Project (KMTP)

Lewistown to Grass Range

Lewistown West Overpass

Marysville Road Improvement Project

MDT/CSKT Land Exchange

Miles City Street Projects

Miller Creek

Paradise East (East Section) Dixon

  • EA -

Red Lodge North

Redstone East & West

Rockvale to Laurel

Rouse Avenue - Bozeman

Russell Street/South 3rd Street - Missoula

Shiloh Road Corridor

Townsend South

Two Medicine Bridge

US2, Columbia Heights to Hungry Horse

US2, Havre to Fort Belknap EIS

US2 Swamp Creek

US 89, Belt North & South

US89, Browning to Hudson Bay Divide FEIS

US93, Evaro to Polson EIS

US93, Hamilton to Lolo EIS

US93, Ninepipe/Ronan Improvement Project

US93, Somers to Whitefish West EIS

West Yellowstone Airport Terminal

Yellowstone River - NE of Livingston

To receive a hard copy of any of these documents please call 406-444-7228.