; (3) the project would improve safety for vulnerable road users, including through the use of complete street design policies or a safe system approach; and (4) a project integrates active transportation facilities with public transportation services, where available, to improve access to public transportation. (h) Limitation (1) In general The share of the cost of a project assisted with a grant under this section may not exceed 80 percent. (2) Maximum Federal assistance Federal assistance other than a grant under this section may be used to satisfy up to 100 percent of the total project cost. (i) Eligible project costs Amounts made available for a project under this section may be used for— (1) development phase activities, including planning, feasibility analysis, revenue forecasting, environmental review, preliminary engineering and design work, and other preconstruction activities