(b) In addition to any power described in subdivision (a), the district may enter into agreements for the joint use or joint development of any property or rights by the district and any public agency, or public utility operating transit facilities or nontransit facilities, or both, or any other person, firm, corporation, association, organization, or other entity, public or private, either, in whole or in part, within or outside the district, for the joint use or development of any nontransit facilities of the district or of the public agency, public utility, person, firm, corporation, association, organization, or other entity, public or private, for the establishment of through routes, joint fares, transfer of passengers, pooling arrangements, station cost-sharing, connector fees, or land, air, or development rights, sales or leasing, necessary for, incidental to, or convenient for, the full exercise of the powers granted in this chapter. For the purpose of this section, the following terms have the following meanings:

1. (1) “Joint development” includes, but is not limited to, agreements with any person, firm, corporation, association, organization, or other entity, public or private, to develop or to engage in the planning, financing, construction, or operation of nontransit district facilities or development projects adjacent, or physically or functionally related, to district transit facilities.
2. (2) “Development project” includes, but is not limited to, projects for any use or mixed use including public, commercial, or residential uses.
3. (3) “Nontransit facilities,” includes, but is not limited to, any land, buildings, or equipment, or interest therein, that is used for the production of transit revenue not arising from the operation of a transit system.