Environmental Analysis
The Division of Environmental Analysis (DEA) administers Caltrans' responsibilities under federal and state environmental law. The Program develops and maintains Caltrans environmental standards, policies, procedures, and practices that are implemented by the Department's 12 District Environmental Branches. Program staff work with the districts to identify and assess the effects of Caltrans projects on the state's natural and cultural environments, and identify ways to avoid or mitigate those effects.
DEA acts as the Department compliance lead and assists the Districts and our transportation partners in:
- Complying with state and federal environmental laws;
- Encouraging the public to participate in the environmental evaluation process;
- Determining the environmental consequences of our activities;
- Proposing prudent, feasible and cost effective strategies and alternatives to avoid or minimize adverse impacts of the Department's activities, and;
- Ensuring the mitigation selected is appropriate.
In response to enactment of the National Environmental Policy Act (NEPA), in 1969, and the California Environmental Quality Act (CEQA), in 1973, Caltrans formally initiated an environmental function. Subsequently, in response to the passage of a host of environmentally-related laws and regulations and heightened public support for the environment, the Program has grown to become a substantive and inseparable part of Caltrans' planning, development, construction, operation and maintenance efforts.
Air Quality
- Greenhouse Gas (GHG) & Climate Change
- Project-Level Air Quality Analysis
- Research Studies
- Statewide Conformity Working Group
Biology
- Advance Mitigation Program
- Agency Coordination
- Birds - Bioacoustics
- Botany
- Endangered Species Act (ESA)
- Fish and Wildlife Connectivity
- Hydroacoustics
- Innovation - Research, Tool Development
- Mitigation
- Policy Development
- Specifications
- Strategic Biological Planning
- Training
- Wetlands
- Wildlife
Coastal Program
Cultural Studies
- California Historical Bridges and Tunnels
- CalNAGPRA and NAGPRA
- Cultural Resources Compliance Document Templates
- Native American Cultural Studies
- Public Resources Code 5024
- Publications
- Section 106 Coordination
- Section 106 PA/PRC 5024 MOU Renewal
Division Links
- District Coordinators
- Environmental Analysis at Caltrans Brochure (PDF)
- Environmental Careers
- Environmental Documents
- FAQs
- Online Training
- What's New
Environmental Management
Geographic Information System (GIS)
Hazardous Waste
NEPA Assignment
- 23 USC 326 Categorical Exclusion Assignment
- Assignment under the 23 USC 327 MOU
- Documents and Reports
Noise and Vibration
Paleontology
Stormwater Management Program
Standard Environmental Reference (SER)
- FSTIP
- Acronyms and Abbreviations List (PDF)
- CTC Submittal Guidance
- Emergency Projects Environmental Process and Requirements
- Forms and Templates
- Glossary (DOCX)
- Local Assistance
- MOUs, MOAs, and Agreements
- Other Guidance
- Policy Memos
- Volume 1: Guidance for Compliance
- Volume 2: Cultural Resources
- Volume 3: Biological Resources
- Volume 4: Community Impacts Assessment
- Volume 5: Coastal Requirements