Transportation project means any highway project, public transportation capital project, multimodal project, or other project that requires the approval of the Secretary. As used in this part, the term transportation project does not include an Early Acquisition Project as defined in this section.
23 CFR § 710.105
Terms defined in 23 U.S.C. 101(a) and 49 CFR part 24 have the same meaning where used in this part, except as modified in this section.