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ATTENTION: Our DPS locations and tag agent offices are currently experiencing system issues that are causing longer wait times for customers. We are working right now to fix this problem as soon as possible. In the meantime, we ask customers with non-critical needs to consider delaying their visit. We apologize for the inconvenience and will provide an update as soon as we know more. Thank you for your understanding.

CDL Restrictions - No Cargo in CMV Tank Vehicle

A CLP holder with an “N” endorsement may only operate an empty tank vehicle and is prohibited from operating any tank vehicle that previously contained hazardous materials that has not been purged of any residue. (You cannot test in a vehicle that is placarded for hazmat whether it has been purged or not per Oklahoma Administrative Code (OAC) 595:11-3-7 and 595:11-3-8).

Last Modified on Oct 05, 2020
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