Upon creation of a regional mobility authority:
(1) The regional mobility authority and its members shall:
(A) Constitute a public corporation; and
(B) Have perpetual succession; and
(2) The regional mobility authority and its members may:
(A) Contract and be contracted with;
(B) Sue and be sued in tort to the extent that it has expressly waived liability in writing; and
(C) Have and use a common seal.