Caltrans regulates the placement of outdoor advertising (ODA) displays visible from California highways. Caltrans performs regular reviews of freeways and highways identified on the National Highway System to enforce outdoor advertising requirements under the Federal Highway Beautification Act and the State's Outdoor Advertising Act.
For questions or more information, please contact ODA by email at ODA@dot.ca.gov or at (916) 654-6473.
Messages left by email or on the public line are responded to within 24 hours. Out of precautions related to COVID-19, our office staff is currently teleworking and cannot receive any correspondence via fax.
- ODA homepage
- License Information
- Permit Requirements
- Interactive Map & List of Permitted Displays
- Classified Landscaped Freeways List
- Declassified Landscaped Freeways List
- Scenic Highways
- Bonus Segments
- Political Signs
- Laws, Regulations, and Agreements
- Precedent Decisions
- Frequently Asked Questions
- Related Links