; or (B) the statewide transportation improvement program under section 135 of title 23, United States Code, of the State. (2) Assistance Not later than 120 days after the date on which a metropolitan planning organization or State includes the applicable portion of a segment described in subsection (b) in the transportation improvement plan of the metropolitan planning organization or the statewide transportation improvement program of the State, as applicable, pursuant to paragraph (1), the Secretary of Transportation shall provide technical and financial assistance under subsection (a) to the applicable metropolitan planning organization or State. (d) Supplement, not supplant Funds made available to carry out this section shall supplement, and not supplant, funds made available to the applicable metropolitan planning organization or State under title 23, United States Code.