Amends GS 160A-635 to amend the membership of the Board of Trustees (Board) of regional transportation authorities to require at least two, but no more than three, members be Board of Transportation members appointed by the Secretary of Transportation and adds criteria for those appointments. Make all Board members voting members. No longer requires that the Secretary be elected annually. Amends GS 160A-636 to amend what is needed for a quorum of the Board and provides guidance on how to count members for purposes of establishing the quorum. Requires an affirmative vote equal to a majority of all members of the Board not excused from voting in order to authorize the expenditure of public funds, or to take specified actions on contracts on behalf of the authority. 

Amends the powers of the Regional Transportation Authority as follows. Provides authority to employ a chief administrative officer (was, persons deemed necessary) to carry out the Authority's functions and duties and sets guidelines for compensation. Makes technical changes.

Enacts new GS 160A-639.1 to set out the chief administrative officer's duties. Makes the chief administrative officer responsible to the Board for administering all matters placed in the officer's charge by the Board. Specifies eight duties, including hiring, appointing, suspending, or removing Authority employees; attending all Board meetings; and preparing and submitting the annual budget and capital program to the Board. Requires the chief administrative officer to designate an Authority employee as clerk who has four specified duties. 

Effective July 1, 2015, and applies to contracts entered into and other actions taken by Authorities on or after that date.