State transportation officials are looking into how the phrase "Go Yankees" appeared on an electronic message board along an interstate in eastern Pennsylvania.

Just in time for the first game of the World Series, the message lit up a board Wednesday along I-81 northbound between Wilkes-Barre and Scranton.

PennDOT spokeswoman Karen Dussinger said the sign, which precedes a construction zone, is supposed to be used for traffic alerts to keep drivers safe.

Dussinger said it's unclear if message was posted as a joke or if the sign was hacked. But she says the contractor who owns the equipment has agreed to remove the message.

The Yankees are facing the Philadelphia Phillies, who used to have a farm club in Wilkes-Barre/Scranton. Now the local minor league team is affiliated with the Yankees.