Medium Transport; Low Wing; 2 Turbojet Eng
Air Traffic Control Fully Certified
Air Traffic Control Time Certified In Pos 1 (yrs) 22
Communication Breakdown
ATC Issue All Types; Conflict Ground Conflict; Critical; Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural Clearance; Ground Incursion Runway
General None Reported / Taken
Company Policy; Human Factors; Procedure
Vehicle requesting to access Runway 33L at departure end in the RSA (Runway Safety Area) and second vehicle checking RSL (Runway Surface Lights) and never cleared the runway while meeting up with other vehicle in RSA and exited vehicle and I allowed Aircraft X to land on Runway 33L.I should have used memory aid to remind me the vehicle never cleared the runway.
BWI Tower Controller reported allowing an aircraft to land while vehicles were on the runway.