; commonly known as the National Apprenticeship Act ), that satisfies the requirements of parts 29 and 30 of title 29, Code of Federal Regulations (as in effect on January 1, 2020). (H) Special populations The term special populations has the meaning given the term in section 3 of the Carl D. Perkins Career and Technical Education Act of 2006 ( 20 U.S.C. 2302 ). (I) Surface transportation workforce development, training, and education The term surface transportation workforce development, training, and education means activities associated with surface transportation career awareness, student transportation career preparation, and training and professional development for surface transportation workers, including activities for women and minorities. (J) Underrepresented individual The term underrepresented individual means— (i) an individual who belongs to a special population; (ii) an individual with a barrier to employment; or (iii) an individual otherwise determined by the Secretary to be underrepresented in the transportation workforce. (K) Work-based learning The term work-based learning has the meaning given the term in section 3 of the Carl D. Perkins Career and Technical Education Act of 2006 ( 20 U.S.C. 2302 ). . 4. Research and development strategic plan Section 6503 of title 49, United States Code, is amended— (1) in subsection (c)(1)— (A) in subparagraph (E), by striking and at the end; (B) in subparagraph (F), by striking the semicolon and inserting ; and ; and (C) by adding at the end the following new subparagraph: (G) developing and maintaining a diverse workforce in transportation sectors.