Sole Source Special Notice / Pre-Solicitation Notice for a project involving contractor-work to be performed on a Tellabs-Based Passive Optical Local Area Network (LAN) Upgrade for the U. S. Department of Transportation (DOT)

The U.S. Department of Transportation (DOT) has issued a Sole Source Special Notice for a contractor-led upgrade of a Tellabs-Based Passive Optical Local Area Network (LAN) system. This project involves specialized work to enhance the existing LAN infrastructure within the agency’s facilities located in Washington, D.C. The solicitation number for this opportunity is 693JK426R500003, and it falls under the NAICS code 541512, indicating a focus on computer systems design services. The notice is primarily intended for a specific contractor, as suggested by the sole source designation, and is part of pre-solicitation efforts to notify potential vendors ahead of an official solicitation. The notice was posted on May 22, 2026, with responses due by June 12, 2026, before 3:30 AM. The Department of Transportation's office managing this contract is based in Washington, D.C., where the upgrade work will take place. The primary point of contact for this notice is James Mowery, who can be reached via the provided email address for any queries or clarifications. This project is likely a critical infrastructure improvement aimed at modernizing the DOT’s LAN capabilities to support enhanced data and communication needs.