The AASHTO Standing Committee on Highways report Environmental Management Systems Implementation Update (2006) found that 27 state transportation agencies either had implemented or were in the process of developing EMSs.  This level of activity reinforces the growing awareness on the part of transportation agencies of the performance achievements available through an EMS. The report includes a series of case studies, which can be accessed by following the report link above. The following case studies are provided:

• California Department of Transportation (Caltrans) - Environmental Commitment Record (ECR); Standard Tracking and Exchange Vehicle for Environmental System (STEVE); and Preliminary Environmental Analysis Report Tool (PEAR)
•  Florida Department of Transportation (FDOT) - Efficient Transportation Decision Making (ETDM) 
• Maine Department of Transportation (MDOT) - Environmental Management System
• Maryland State Highway Administration (MDSHA) - Environmental Strategic Plan and Management Systems        
• Massachusetts Department of Transportation (Mass Highway) - Environmental Management System
• New Hampshire Department of Transportation (NHDOT) - Environmental Management System for Traffic Bureau 
• New York State Department of Transportation (NYSDOT) - New York State DOT's Environmental Initiative          
• Pennsylvania Department of Transportation (PENNDOT) - Strategic Environmental Management Program (SEMP); and Categorical Exclusion/Environmental Assessment Expert System
• Texas Department of Transportation (TxDOT) - Internal Environmental Systems Supporting Project Development, Construction Operations, and Facility Operations
• Tri-County Metropolitan Transportation District (Tri-Met) - Environmental Management System 
• Utah Department of Transportation (UDOT) - Commitments Fulfillment EMS Work Plan
• Washington Department of Transportation (WSDOT) - Environmental Management System

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• Powerpoint Presentation from the Center for Environmental Excellence by AASHTO EMS Workshop 

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