; (9) to assist in developing defense manufacturing industries; (10) to promote the adoption of composite and other innovative materials in public transportation; (11) to grow the capacity for successful community economic development in its region; and (12) to otherwise achieve the purposes of this subtitle. . (c) Designation of region (1) In general Subchapter II of chapter 157 of such title is amended by adding at the end the following: 15734. Southern New England Regional Commission The region of the Southern New England Regional Commission shall include the following counties: (1) Rhode Island The counties of Providence, Washington, Newport, and Bristol in the State of Rhode Island. (2) Connecticut The counties of Hartford, New Haven, and New London in the State of Connecticut. (3) Massachusetts The counties of Hampden and Bristol in the State of Massachusetts. . (2) Technical and conforming amendment The analysis for Subchapter II of chapter 157 of such title is amended by adding at the end the following: 15734. Southern New England Regional Commission. . (d) Authorization of appropriations The authorization of appropriations in section 15751 of title 40, United States Code, shall apply with respect to the Southern New England Regional Commission beginning with fiscal year 2020.