What to know about visitor access:

Powder Mill Road Gate

  • Open to Vehicles/Pedestrians/Bicycles 24/7.

Questions regarding installation access please call: (301) 394-1100

Access Control Resources:
In accordance with Homeland Security Presidential Directive 12 and Army Regulation 190-13, all visitors and uncleared contractors desiring unescorted access to ALC, must be vetted through the National Crime Information Center Interstate Identification Index (NCIC III).
To complete a background check and be issued an installation access badge you must go to the ARL Badging Office located in the Diamond Building and complete an access request form.
Downloadable forms.
If you are denied access to the installation based upon information on your NCIC III check that you believe to be inaccurate or incorrect please see below on the procedures for getting the information corrected.
Visitors, contractors and vendors 18 years and older, entering ALC, who do not have a DoD identification card, will be subject to a background check before being allowed entry to the installation. Those who present a common access card (CAC card), Military ID, Military Dependent ID, Gold Star ID, or other valid DoD credential won't be affected