The Department of Transportation, specifically the Federal Aviation Administration (FAA), is seeking to acquire controlling and test equipment for the Runway Status Light (RWSL) system, with a focus on single-source procurement from ADB Safegate in Columbus, Ohio. The contract will include the acquisition of the AGC4170/RWSL Individual Light Controller and the AGC1110/RWSL Master Lighting Controller, which are essential components designed to interface with existing lighting systems at equipped airports. This procurement is critical for enhancing airport safety and operational efficiency, as the RWSL system plays a vital role in runway management. Interested parties can direct inquiries to Connie Houpt at connie.m.houpt@faa.gov, noting that this announcement serves informational purposes only and is not a solicitation for proposals.