Each of the following case studies summarizes the experiences of a state or metropolitan area that decided to change its approach to conducting planning and environmental processes. Focusing on the process of change, the case studies summarize why and how change was achieved, some of the challenges encountered, and a few lessons learned. Click on the title to view the complete report.

State	Case Study	Planning Areas Considering Environmental Factors					Topic Areas Addressed
State	Case Study	Metropolitan Long–Range Planning	Statewide Long–Range Planning	Corridor Planning	CSS in Planning	Linking Planning & NEPA	Inter–Agency Coordination / Consultation	Spatial Data & Tools; GIS	Process Guidelines or Changes
Alaska	Anchorage Bowl 2025 Long–Range Transportation Plan	x			x	x
Arizona	Arizona Wildlife Linkages					x	x	x
California	Riverside County Integrated Project (RCIP)	x		x
Colorado	Strategic Transportation, Environmental, and Planning Process for Urban Places	x			x	x	x	x	x
Colorado	Tools and Techniques to Implement PEL			x		x			x
Colorado	Geospatial Environmental and Community Analysis in Pueblo and El Paso Counties	x					x	x
Florida	Florida DOT Efficient Transportation Decision-Making Process (ETDM)					x	x	x	x
Florida	2025 Long-Range Transportation Plan - Hillsborough County MPO, Tampa Region	x			x
Florida	2025 Long Range Transportation Plan Update - Volusia County MPO, Daytona Beach Area	x			x
Georgia	MPO 2030 Long Range Transportation Plan - Chatham Urban Transportation Study, Savannah Region	x			x
Idaho	Corridor Planning/NEPA Integration Guide			x					x
Illinois	2030 Regional Transportation Plan for Northeastern Illinois - Chicago Area Transportation Study	x			x
Indiana	Indiana's Streamlined EIS Procedures					x	x		x
Maine	Maine's Integrated Transportation Decision-Making (ITD) Process					x	x		x
Maine	Maine's Gateway 1 Strategic Plan			x			x
Michigan	Regional 2030 Transportation Plan - Tri-County Regional Planning Commission, Lansing Region	x			x
Michigan	SEMCOG Integrates Environmental Issues in Its Regional Transportation Plan (RTP)	x					x	x	x
Missouri	Legacy 2025 - East-West Gateway COG, St. Louis Metro, Missouri and Illinois	x			x
Missouri	Missouri's I-70 Tiered EIS Process			x			x		x
Nevada	Nevada's I-15 Landscape and Aesthetics Corridor Plan			x	x		x
New York	New Visions 2021 – Capital District Transportation Committee	x			x
North Carolina	2030 Long Range Transportation Plan – Greensboro Urban Area MPO	x			x	x
North Carolina	North Carolina's Process Improvement Initiatives						x		x
Oregon	Oregon's Collaborative Environmental and Transportation Agreement on Streamlining (CETAS)					x	x
Pennsylvania	Pennsylvania Data Sharing Forum					x	x	x
Tennessee	PLAN Go – Tennessee DOT		x		x
Texas	Texas Environmental Resource Stewards and Texas Ecological Assessment Protocol					x	x	x
Washington	Destination 2030 – Puget Sound Regional Council, Greater Seattle Region	x			x
Washington	Washington DOT's I-405 Corridor Program			x			x

Multi-State	Mid-Atlantic Transportation and Environment (MATE) Task Force					x	x		x
Multi-State	PEL Case Studies presented at the 2006 AMPO Annual Conference	x						x
Multi-State	Transportation Collaboration in the States, June 2006	x					x
Multi-State	Exemplary Ecosystem Initiatives		x	x			x	x	x

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