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Photograph of Billings, Montana

What’s New?

March 28, 2014

The Billings Bypass Final Environmental Impact Statement (EIS) has been published and is available for review. Download a copy of the Final EIS.

What can I expect to find in the Final EIS?

  • Full description of the Preferred Alternative.
  • Additional information regarding phased implementation of the Preferred Alternative including impacts and potential mitigation.
  • Written responses to public and agency comments received during the comment period for the DEIS.
  • A reformatted Executive Summary that summarizes the findings of the full Final EIS in an easy to understand format.

How can I comment on the Final EIS?

Comments may be submitted via the following methods:

  • Online, via the comment form
  • Through ground mail to:
    Tom Martin, P.E., Environmental Services Bureau Chief
    Montana Department of Transportation Environmental Services
    2701 Prospect Avenue
    PO Box 201001
    Helena, MT 59620-1001

Billings Bypass Final EIS – Open House

MDT and FHWA will host an informal open house on Wednesday, April 09, 2014 from 6:00PM - 8:00PM at:

Bitterroot Elementary School Gymnasium
1801 Bench Blvd Billings, MT

There will not be a formal presentation at the open house, but staff will be available to answer questions.

Project Description:

The Montana Department of Transportation (MDT) in cooperation with the Federal Highway Administration (FHWA) issued a Final EIS for a transportation project to improve access and connectivity between I-90 and Old Hwy 312 in the eastern portion of the Billings urban area. Three alternatives were identified for detailed evaluation in the Final Environmental Impact Statement (FEIS). See the alternatives page for details about these and other alternatives considered for the project.




  MDT Project Number
NCPD 56(55)CN 4199
Website Last Updated:
March 28, 2014 8:37 AM