This chapter sets forth the purposes and the amounts for which allocations shall be made from the fund. Money from the fund shall be awarded as grants by the commission pursuant to Sections 99622 to 99651, inclusive, for the purposes specified in those sections. The amount of a grant awarded pursuant to any of those sections shall not exceed the amount specified therein. The department and local agencies may implement service funded pursuant to this chapter on an incremental basis.

Partial grants may be made for preliminary engineering and design purposes.