FY26 Atlantic Gateway, Arlington to Alexandria Fourth Track - CMAQ Funds

The Department of Transportation's Federal Railroad Administration is offering a discretionary grant under the FY26 Atlantic Gateway program to fund the Arlington to Alexandria Fourth Track project. The project's scope requires the construction of approximately six miles of new fourth track on the CSX Richmond, Fredericksburg, and Potomac Subdivision, primarily on the east side of the right-of-way. Eligible activities will utilize Congestion Mitigation and Air Quality Improvement funds and require a cost-sharing or matching contribution. Eligibility for this opportunity is restricted solely to the Virginia Passenger Rail Authority. This single-award grant has a total estimated funding amount and ceiling of $56,000,000, and applications must be submitted by the closing date of September 9, 2026.