build HSR California

American Avenue Grade Separation


A grade separation for East American Avenue, taking traffic over the existing freight line and future high-speed rail lines.


The southernmost point of Construction Package 1.


Crews at American Avenue, the southern end of Construction Package 1, have begun constructing the diaphragms to stabilize the bridge superstructure. Once the diaphragms have been completed the next step will be to install steel deck panels to create a foundation for the crossing's deck.

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