(CBS DETROIT) – Detroit police are investigating an accident that left a 34-year-old man in critical condition.

The man was riding a motorcycle Tuesday night and struck a street sign.

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It happened on Santa Clara Street and W. Outer Drive.

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First responders transported him to a local hospital and anyone with information is asked to contact Detroit Police at 313-596-2260 or Crime Stoppers at 800-SPEAK-UP.

Police say this information is preliminary and subject to change upon further investigation.

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