These four locations serve as visitor check-in/out locations for the Beltsville Agricultural Research Center:
- Building 003 lobby desk for all visitors to BARC-West
- Building 426 front desk in the Engineering & Planning section for contractor personnel and BARC-East in general
- Building 307C Visitors to BHNRC facilities on BARC-East will obtain their Visitor Badges from the BHNRC Main Office, located directly inside the main entrance of B-307C. Visitors will use the telephone callbox located on the wall at the B-307C main entrance to call 504-8157 and one of the support staff will respond to allow the visitor entry into the building to obtain their Visitor Badge.
- The receptionist desk in the Administration Building of the U.S. National Arboretum will serve as the visitor check-in/out for that location.