Invited to Join the Survey?

Here’s where to start! Thanks for your willingness to participate in this exciting research. Your participation in this travel survey is voluntary. All information collected will be held strictly confidential and used only in combination with information from other participating households.

Thank you for interest in the California Household Travel Survey.  Registration to participate in the CHTS is now closed.

View Frequently Asked Questions about the survey.   If you have other questions, please contact us.

Highway image

Caltrans to motorists:

When you see flashing lights, MOVE OVER to protect highway workers and California Highway Patrol officers.

Learn more about the Move Over campaign.