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NIH Websites Are Changing

Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

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Gate Access/Hours of Operation Banner

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 Metro​Pedestrian (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.​