About State Route 4 Bypass Authority

In 1989 Contra Costa County and the Cities of Antioch and Brentwood created the State Route 4 Bypass Authority (Authority) through a Joint Powers Agency Agreement. This agency was established to administer and set policy for the State Route 4 Bypass project, one of three projects funded by the East County Regional Transportation Fee program.

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Upcoming Meeting Dates Will be announced soon

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