PHILADELPHIA (WPVI) — SEPTA has an ambitious wish list to modernize the entire transit system.

The agency calls it the “Accelerate” plan.

It calls for a major investment, including 230 new Regional Rail cars, with trains coming every 15 minutes at half of the stations.

The plan also includes new subway vehicles for the B and M lines, as well as major station renovations, including adding elevators.

RELATED: SEPTA awarded $80 million for ADA improvements to 3 Center City Trolley Tunnel stations

However, the biggest hurdle is funding. The transit agency faces a $193 million budget deficit.

This plan will require significant investment from state lawmakers, but there is no estimate on cost or a timeline.

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