At least one "Christmas Vacation" fan was driving on New Jersey's Garden State Parkway Thursday.
Someone changed a sign on the highway's exit for Clark and Westfield to read "Clark Griswold."
Griswold is the father character played by Chevy Chase in the Christmas cult classic.
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State Police spokesman Sgt. Gregory Williams confirms photos of the sign posted on social media are real.
Williams says the taped-on Griswold sign at the highway's exit 135 was later removed by the Turnpike Authority.