23 U.S.C Sec. 134
(g)(3) RELATIONSHIP WITH OTHER PLANNING OFFICIALS.—
The Secretary shall encourage each metropolitan planning organization to consult
with officials responsible for other types of planning activities that are affected by transportation in the area (including State and local planned growth, economic development, environmental protection, airport operations, and freight movements) or to coordinate its planning process, to the maximum extent practicable, with such planning activities. Under the metropolitan planning process, transportation plans and TIPs shall be developed with due consideration of other related planning activities within the metropolitan area, and the process shall provide for the design and delivery of transportation services within the metropolitan area that are provided by—
(A) recipients of assistance under chapter 53 of title 49;
(B) governmental agencies and nonprofit organizations (including representatives of the agencies and organizations) that receive Federal assistance from a source other than the Department of Transportation to provide nonemergency transportation services; and
(C) recipients of assistance under section 204.
