For purposes of facilitating these projects and to assist the contracting parties in the financing, development, construction leasing, maintenance and operation of such projects, the agreements may include provisions for the Department to exercise any powers conferred upon it by law, including but not limited to the lease of rights of way and airspace, granting of necessary easements and rights of access, power of eminent domain, granting of development rights and opportunities, issuance of permits or other authorizations, protection from competition, remedies in the event of default of either of the parties, granting of contractual and real property rights, liability during construction and the term of the lease, and the authority to negotiate acquisition of rights of way in excess of appraised value. Amounts paid by a contracting party for any right-of-way in excess of the appraised value thereof may be considered a contribution to the project only to the same extent that such excess amounts could be paid by the Department to acquire the right-of-way under applicable law.