"The Colorado Department of Transportation (CDOT) and Federal Highway Administration (FHWA) (lead agencies) prepared this Final Programmatic Environmental Impact Statement (PEIS) to provide reader-friendly, concise information about the major findings of the Interstate 70 (I-70) Mountain Corridor National Environmental Policy Act (NEPA) process. This Final PEIS encompasses data gathered and presented over a ten-year period..."-- p. I-1.

"The Colorado Department of Transportation and Federal Highway Administration prepared this Revised Draft Programmatic Environmental Impact Statement to provide reader-friendly, concise information about the major findings of the I-70 Mountain Corridor National Environmental Policy Act (NEPA) process. This Revised Draft ... replaces the 2004 Draft."--Abstract.