Authority closed its random vehicle inspection checkpoint on Thursday.
The changes are in response to the Homeland Security Department's lowering of the national terror threat level to yellow. The Authority received the directive from the TSA Thursday.
The airport will also reopen access to the airport's terminals from the Interstate 70/Lumley Road entrance.
The airport began the random vehicle inspections on March 19. The TSA, the agency responsible for aviation security, currently requires RDU to conduct random searches of vehicles approaching the terminals when the Homeland Security terror threat level is at orange or above.
Signs placed throughout the terminals reminding passengers to report unattended packages will also be removed.
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