ATRI publishes a compendium of current idling regulations by state, which is provided for free in two different PDF formats — the original compendium listing and as a foldable cab card for quick reference. ATRI updates the compendium regularly.
Idling Regulations Compendium (pdf)
Idling Regulations Cab Card (pdf)
The information contained in these compendiums is for reference purposes only and should not be relied upon for regulatory compliance. This information may contain errors and omissions and is subject to change. Actual state, county, or city codes should be referenced for specific requirements. Online users may access these codes by clicking on the individual regulations listed.