The Federal Highway Administrator may authorize the State to make available to the publicly-owned mass transit authority the land needed for the proposed facility, if it is determined that:
(a) The evidence submitted by the State highway agency under § 810.206 is satisfactory;
(b) The public interest will be served thereby; and
(c) The proposed action in urbanized areas is based on a continuing, comprehensive transportation planning process carried on in accordance with 23 U.S.C. 134 as described under 23 CFR part 450, subpart A.