• Environmental Assessment  (Acrobat, 5.2 MB)
  An Environmental Assessment for the reconstruction of the Beartooth Highway between MP 0.0 and MP 8.4 was distributed for public comment in August 1997, and resulted in an amended EA in May 1998. A FONSI was prepared and approved by WFLHD in May 1998.
  
  
• Re-evaluation of the Environmental Assessment/FONSI: June 6, 2002  (Acrobat, 35 KB)
  An environmental re-evaluation was prepared on June 6, 2002, to address changes in the proposed project design and in resource issues in the highway corridor. This re-evaluation did not find any changes in the project need, selected alternative, affected environment, impacts or mitigation that would invalidate the existing NEPA approvals.
  
  
• Re-evaluation of the Environmental Assessment/FONSI: March 12, 2003  (Acrobat, 146 KB)
  A second environmental re-evaluation was prepared on March 12, 2003, to address the discovery that Beartooth Highway was eligible for nomination to the National Register of Historic Places. This re-evaluation did not find any changes in the project need, selected alternative, affected environment, impacts or mitigation that would invalidate the existing NEPA approvals.
  
  
• Re-evaluation of the Environmental Assessment/FONSI: March 14, 2007  (Acrobat, 818 KB)
  A third environmental re-evaluation was prepared on March 14, 2007 including updated wetland survey data collected during 2006.

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