Finalized EIS & EA

See also: Current Environmental Documents

Arthur Avenue - Missoula

FONSI | EA & Section 4(f)

Battlefield Rest Area/Interchange

FONSI | EA

Beartooth

Categorical Exclusion

Belfry-North EA

FONSI | Appendices

EA | Appendix A | B | C | D | E | F | G

Bench Blvd

Categorical Exclusion

Bigfork North & South EA

FONSI | Appendices

EA | Appendix A | B | C | D | E

Billings 6th Ave to Bench Blvd

Categorical Exclusion

Billings Airport Road

FONSI | EA

Billings Bypass

Record of Decision
Final EIS

Appendix A Resource Maps
Appendix B Agency Coordination
Appendix C Farmland Conversion Impact Rating
Appendix D Cultural Resources
Appendix E Traffic Noise
Appendix F Clean Water Act Section 404(b)(1) Evaluation
Appendix G Public Involvement
Appendix H Interchange and Intersection Concepts
Appendix I Alternatives Report
Appendix J Agency and Public Comments and Responses

Hazardous Materials/Substances Initial Site Assessment
Biological Resources Report
Biological Resources Report Addendum
Supplemental Agency Coordination Materials
Combined Traffic Reports
Coordination Plan for Agency & Public Involvement

Billings Bypass – Five Mile Road Segment

FEIS Re-evaluation

Billings Bypass – Yellowstone River Bridge Segment

Revised Record of Decision
FEIS Re-evaluation
Updated FEIS Re-evaluation

Billings Bypass – Yellowstone River Bridge to Railroad Overpass Segment

FEIS Re-evaluation

Billings Bypass – Railroad Overpass Segment

Revised Record of Decision
FEIS Re-evaluation
Updated FEIS Re-evaluation

Billings Bypass – Johnson Lane Segment

Revised Record of Decision
FEIS Re-evaluation

Brooks/South/Russell Intersection

2002 Re-evaluation of Environmental Assessment | FONSI

Boulder - South

FONSI | EA | Additional documents and information

Brockton East

Categorical Exclusion

Canyon Ferry Road

FONSI | EA

Conner N&S

FONSI | Appendices | EA

Culbertson East To North Dakota

FONSI | EA & Section 4(f)

Cut Bank RR Overpass

FONSI | EA

Fairfield to Dupuyer Corridor Study

Record of Decision | EIS | Appendix A | B | C

Flathead River - 3km East of Kalispell

Final Categorical Exclusion | Final Section 4(f) Evaluation

Four Corners North and Belgrade South

Categorical Exclusion

Gallatin Canyon Slope Flattening/Widening

FONSI | EA

Grayling Creek - North of US20

FONSI | EA

I-15 Corridor

Record of Decision | Comments and Responses | EIS | Appendix A | B | C | D

I-90 East Belgrade Interchange

FONSI | EA

Junction MT85-East

FONSI

Junction US 2 - North

FONSI | EA

Kearl Module Transport Project (KMTP)

FONSI - Volume I | II | III | IV | V

EA

Montana Transportation Plan

Appendix 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14

Emergency Response Plan (ERP)

Appendix 1 | 2 | 3 | 4

Lewistown to Grass Range

FONSI | EA

Lewistown West Overpass

FONSI | EA | Comments and Responses

Marysville Road Improvement Project

FONSI | EA & Section 4(f)

MDT/CSKT Land Exchange

EA

Middle Fork Flathead River – SE Essex

FONSI | EA & Section 4(f)

Miles City Street Projects

FONSI | Appendices

Miller Creek

Record of Decision

Final EIS

Introduction
Executive Summary
Chapter 1: Purpose and Need
Chapter 2: Alternatives
Chapter 3: Affected Environment
Chapter 4: Environmental Consequences and Mitigation
Chapter 5: Comments and Coordination
Chapter 6: List of Preparers
Chapter 7: List of Recipients
Index

Appendices

Cover and Table of Contents
Appendix A: Agency Coordination
Appendix B: Public Involvement
Appendix C: List of Technical Reports
Appendix D: Draft Section 404(b)(1) Evaluation
Appendix E: Comments and Responses on Draft EIS

Missoula Primary Sidewalk Network

EA

North Reserve Street/Mead Land Exchange, Missoula and Mineral Counties

EA

North Reserve Street

Environmental Assessment

Paradise East (East Section) Dixon

EA - Request a hard copy of this report

Red Lodge North

FONSI

Redstone East & West

FONSI | EA & Section 4(f)

Rockvale to Laurel

Record of Decision | FEIS

Rouse Avenue - Bozeman

FONSI | EA & Section 4(f)

Russell Street/South 3rd Street - Missoula

Re-Evaluation February 2015 | Record of Decision | FEIS

Sula – North

FONSI

Shiloh Road Corridor

FONSI | EA & Section 4(f)

Townsend South

FONSI | EA & Section 4(f)

Two Medicine Bridge

FONSI

US2, Columbia Heights to Hungry Horse

1995 FEIS

Document w/o appendices
Document by section

Introduction
Purpose and Need for Action
Alternatives
Affected Environment
Environmental Consequences
Final Section 4(f) Evaluation
Comments and Coordination
Comments and Coordination con't.
Appendices

1995 Record of Decision
2002 Re-evaluation

US2, Havre to Fort Belknap EIS

Record of Decision | EIS Volume 1 | EIS Volume 2 | 2009 Re-evaluation | 2012 Re-evaluation

US2 Swamp Creek

EA (1989) | Re-evaluated EA (1994) | Re-evaluation letter (2001) | Re-evaluation Addendum (2006)

US 89, Belt North & South

FONSI

US89, Browning to Hudson Bay Divide FEIS

Record of Decision | FEIS & Section 4(f) | Appendices

US93, Evaro to Polson EIS

EIS Volume I & II (June 1996)

US93, Ninepipe/Ronan Improvement Project

Record of Decision May 2008
SEIS & Section 4(f) February 2008 | Appendices
1744013 Ronan Urban Re-Evaluation April 2016
     1744019 Ronan-North Re-Evaluation March 2022
     1744019 Ronan-North Re-Evaluation December 2022

US93, Hamilton to Lolo EIS

Record of Decision | EIS | Appendices

US93, Somers to Whitefish West EIS

REIS - Whitefish West

REIS - Kalispell Bypass | Record of Decision | EIS

REIS – Mountainside to MP 133 (2017002)

West Yellowstone Airport Terminal

EA | Appendices

Yellowstone River - NE of Livingston

FONSI | EA & Section 4(f)

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