Around 10:15 Tuesday morning officers in Williamson County were led on a vehicle chase that started in Austin and ended in Bell County.
A 26-year-old female driver, accompanied by a male passenger, reached speeds of over 100 mph.
The driver struck a sign off Northbound Interstate 35 near Country Road 452 when both the passenger and driver disappeared into the woods.
After a K9 search, the female driver was found and taken to Baylor Scott and White in Temple for minor injuries.
The male passenger has not been found.