DUBLIN (KPIX 5) — New plans are emerging about BART and ACE train service that would connect California’s Central Valley with the Bay Area.

A move that could unlock more affordable housing for people who work in the Bay Area and jobs for those who work in the Central Valley.

In exchange for a critical vote to pass the recent gas tax hike, a promise was made to extend the Altamont Corridor Express train, that currently runs from Stockton to San Jose from Stockton all the way to down to Merced.

At the same time — Bay Area and Central Valley lawmakers are quietly moving to push BART to extend to the Livermore area, where it would hook up with the ACE train so passengers could connect between the two systems.