The suspect was caught aboard a car at the rest area connecting Tangier to Kenitra, National Police (DGSN) said in a statement, adding that searches led to the seizure of 6,000 psychotropic tablets.
The man was taken into custody pending investigation led under the supervision of the competent public prosecutor's office.
This operation is part of the sustained efforts of the security services in the fight against drug trafficking, the source pointed out.