CARB Clean Truck Check

Request CARB Emissions Testing

We support fleet operators with Clean Truck Check readiness, deadline tracking, and service coordination. Testing is available in Orange County, California. Request a test online and our team will contact you to confirm a time.

Request a Test Call (714) 751-3000

Testing Process

What to Expect

Before Testing

Confirm vehicle roster, due windows, and baseline records before your appointment date. ATD reviews your fleet's CARB status.

During Appointment

Testing follows current HD I/M requirements and includes structured documentation for fleet records and CTC-VIS reporting.

After Testing

ATD tracks confirmations, next deadlines, and any follow-up compliance actions needed. Remediation support available.

What testing looks like

Inspection, Emissions, Certification

CARB Clean Truck Check measures opacity, OBD compliance, and emissions output. ATD coordinates the test and captures the result. Authorized by you, we file in CARB's CTC-VIS system as your agent. American Trans Data is not affiliated with CARB.

Mechanic inspecting commercial truck wheel

Pre-Test Inspection

Walkaround verification of emissions equipment and OBD readiness before the test.

Emissions Measurement

Smoke opacity, OBD scan, and Clean Truck Check data captured.

Operations team filing certification results

CTC-VIS Reporting

Authorized by you, we file in CARB's CTC-VIS system as your agent, then track your next testing deadline. American Trans Data is not affiliated with CARB.

Current CARB support

What's Included

Timeline monitoring
Clean Truck Check schedule tracking for every vehicle

Deadline alerts
We tell you before each deadline and handle the filing if you want us to.

CTC-VIS support
Reporting and documentation assistance

Filing assistance
Optional CARB filing and remediation coordination

Request a Test

Request Your Test

We currently test in Orange County, California. Tell us when suits you and where the vehicle is, and our team will contact you to confirm a time.

Test Request

Preferred Date Preferred Time Where is the vehicle? Your Name Company Email Phone Vehicle Info Notes

What happens next

After You Request

Our team contacts you to confirm a date, time and location
Bring vehicle roster and current CARB status documents

Prefer to call?

Our team can help schedule around your operations.

Call (714) 751-3000

Need help choosing the right test window?

Call our team and we'll help sequence testing around your operations schedule.

Call (714) 751-3000 Send a Message