The following highway projects are economic strength projects pursuant to this article:
1. A project that will retain a significant number of jobs in this state or within a local authority.
2. A project that will significantly increase the number of jobs in this state or within a local authority.
3. A project that will lead to significant capital investment in this state or within a local authority.
4. A project that will make a significant contribution to the economy of this state or within a local authority.