404 Permit: A permit issued by the Army Corps of Engineers under Section 404 of the Clean Waters Act, which grants the Corps authority in deciding whether to permit activities within waterways and wetlands.

ALIVE: A Landscape Level Inventory of Valued Ecosystems

ADT: Average Daily Trips

AASHTO: American Association of State Highway and Transportation Officials

Categorical Exclusion: A National Environmental Policy Act (NEPA) term defining a category of actions that do not individually or cumulatively have a significant effect on the environment. Further review via environmental assessment or environmental impact statement is not required in a Categorical Exclusion.

CE: Collaborative Effort

Colorado Climate Action Plan: A plan issued by Gov. Bill Ritter in 2007 that establishes goals and strategies to reduce greenhouse gas emissions.

Community Assessment: An assessment of a community and its residents, which is performed in order to identify and understand the needs of a community for the purpose of providing appropriate services.

CR: Consensus Recommendation

DPEIS: Draft Programmatic Environmental Impact Statement

EA: Environmental Assessment

EIS: Environmental Impact Statement

FHWA: Federal Highway Administration

Fens: Peat-forming wetlands that provide watershed benefits such as reduced flood risk, improved water quality, and habitat.

FONSI: Finding of No Significant Impact

FPEIS: Final Programmatic Environmental Impact Statement

ITS: Intelligent Transportation Systems

LOS: Level of Service

LIZ: Linkage Interference Zone

MOU: Memorandum of Understanding

MPDF: Multi-Property Documentation Form

NCHRP: National Cooperative Highway Research Program

NEPA: National Environmental Policy Act

NRHP: National Register of Historic Places

OAHP: Office of Archaeology and Historic Preservation

PEL: Planning and Environmental Linkages

PEIS: Programmatic Environmental Impact Statement

PLT: Project Leadership Team

ROD: Record of Decision. The final step in the NEPA EIS process, the ROD identifies the selected alternative; identifies other alternatives considered; provides a basis for the decision made; and offers guidance on how to avoid, mitigate, and compensate for environmental impacts.

Purpose & Need: A NEPA term for the statement of a problem to be addressed (purpose), and information that supports that the problem exists (need).

SCAP: Sediment Control Action Plan

Section 4(f): A section within the U.S. Department of Transportation Act of 1966 which established t he requirement for consideration of park and recreational lands, wildlife and waterfowl refuges, and historic sites in transportation projects. The law is implemented by the Federal Highway Administration.

Section 6(f): A section within the Land and Water Conservation Fund Act (LWCFA) which seeks to preserve, develop, and assure the quality and quantity of outdoor recreation resources.  The section applies to transportation projects proposing the conversion of recreational property acquired or developed with LWCFA assistance.

ROW: Right of Way

SHPO: State Historic Preservation Office

STIP: Statewide Transportation Improvement Program

SWEEP: Stream and Wetland Ecological Enhancement Program

TIM Plan: Traffic Incident Management Plan. A plan designed to reduce the duration and impact of traffic incidents, and to improve the safety of motorists, victims, and responders in the event of such incidents.