capital project
(3) Capital project .— The term “capital project” means a project or program in a State rail plan developed under chapter 227 of this title for acquiring, constructing, improving, or inspecting equipment, track, and track structures, or a facility of use in or for the primary benefit of high-speed rail service, expenses incidental to the acquisition or construction (including designing, engineering, location surveying, mapping, environmental studies, and acquiring rights-of-way), payments for the capital portions of rail trackage rights agreements, highway-rail grade crossing improvements related to high-speed rail service, mitigating environmental impacts, communication and signalization improvements, relocation assistance, acquiring replacement housing sites, and acquiring, constructing, relocating, and rehabilitating replacement housing.