N.J. Stat. § 32:27-3
The legislative bodies of the signatory parties hereby find and declare that the transportation and land resources of the area are affected with a local, State, regional and national interest and their planning under appropriate arrangements for interstate co-operation, is a public purpose of the respective signatory parties.
In general, the purposes of this compact are to organize and conduct a continuing, comprehensive, co-ordinated regional planning program for the area, including but not limited to transportation planning for the interests and purposes, consistent with its annual budgets, of the agencies of New Jersey and Pennsylvania represented by commissioners as well as for the purposes of the local governments and their planning agencies.
N.J.S. § 32:27-3