The man first was spotted in a car about 10:50 a.m. on W. Casino Road, according to police officials.
Police followed the car onto northbound I-5. The car stopped at the off-ramp to Pacific Avenue, and the man jumped out and began running away, Snohomish County sheriff's spokeswoman Shari Ireton said.
A sheriff's deputy and police dog gave chase, and the man was arrested.
The man was taken to a local hospital for treatment of a dog bite.
He was expected to be booked into Snohomish County Jail.
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