FAIRFIELD (CBS13) — CHP says a woman is dead and a man is in critical condition after they lost control on their motorcycle, driving on Interstate 80.

Officials said the crash happened just before 9 p.m. Wednesday on eastbound I-80 just past the I-680 connector.

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For unknown reasons, the man lost control of his Harley Davidson and crashed. CHP suspects he was driving at a high-speed and said the man is under arrest for suspicion of driving under the influence and manslaughter.

The woman reportedly died at the scene.

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The man is being treated at an area hospital for his injuries.

Officials are continuing to investigate the incident, but traffic is cleared on I-80.

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The identity of the woman has not yet been released.