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Gates and Hours: Visitors

NIH: Main Campus - Gate Hours

​Entrance / Facility
Access TypeDaysHours of OperationNotes
NIH Gateway Vehicle Inspection Station
Vehicle (Visitors & Patients)Monday–Friday4:00 AM – 12:00 PMVehicle inspections and visitor badges issued here.
NIH Commercial Vehicle Inspection Facility (CVIF)Vehicle & Pedestrian (Visitors & Patients)7 days/week24 hoursEntry point after hours, weekends, and holidays; located at Building 67 (Rockville Pike between North & Wilson Drives). Inbound traffic only.
NIH Gateway Center at MetroPedestrian (Visitors & Patients)Monday–Friday6:00 AM – 10:00 PMClosed weekends and holidays. Visitor badges issued here.
NIH Patient Entrance (Cedar Lane & West Drive)Vehicle (Patients & Patient Visitors).7 days/week6:00 AM – 10:00 PMInbound traffic only. Assistance available from Clinical Center Hospitality staff. Visitor badges issued here.


NIH Employee Entrances / Employee Campus Map​

Visit NIH: https://www.nih.gov/about-nih/visitor-information ​ ​

NIH: Rocky Mountain Laboratories - Gate Hours

​Entrance / Facility
Access TypeDaysHours of OperationNotes
Main GateVehicle & Pedestrian (Visitors & Employees)7 days/week24 hours Onsite and offsite parking available. Gate access is available 24 hours a day, seven days a week.
Commercial Delivery GateCommercial Vehicles (Deliveries)Monday–Friday6:30 AM – 4:30 PMClosed on holidays. For authorized delivery and service vehicles only.
Construction GateConstruction Vehicles & ContractorsMonday–Friday5:45 AM – 5:45 PMClosed on holidays. Access limited to construction-related traffic only.​

RML Campus Map​

​RML Visitor:
Visitors to Rocky Mountain Laboratories are welcome during regular business hours if they are escorted by a current employee or have scheduled a visit, preferably two weeks in advance.  Click here​ for more information about RML.​