Oklahoma Highway Patrol – Troop S
Commercial Motor Vehicle Enforcement

The Oklahoma Highway Patrol is dedicated to protecting the lives and property of the people of Oklahoma. Troop S is the commercial vehicle enforcement unit of the Oklahoma Highway Patrol, pursuing public safety through the reduction of commercial vehicle collisions and criminal activity. Read More...

NOW AVAILABLE! Learn how you can renew your Drivers License or Commercial Drivers License online by clicking here.

→  Let's talk *medical cards* ←

Who is required to be medically qualified (medical card) to operate a CMV in Interstate and Intrastate commerce?

• ALL drivers that are required to have a CDL, Class A, B or C must be medically qualified to operate a CM

• Interstate drivers: are required to present the medical card to the Department of Public Safety when getting or renewing a CDL 

• Intrastate drivers: are not required to present the medical card BUT will get a "K" restriction on the CDL. These drivers are still required to have a valid medical card on their person to drive.