Someone changed an electronic road sign to display the words "Trump 2016" late last month in upstate New York, state police said.
Troopers were called to the sign at state Route 312 and Ice Pond Road in Southeast after getting a report that the sign, which was intended to let motorists know about construction, had been tampered with.
Responding officers found the board had been changed to display the presidential candidate's name, and a state Department of Transportation contractor later came to turn off the sign.
Trump posted a photo of the sign, along with a New York State Police cruiser, to his Facebook page on Friday. It's not clear how he obtained the image, which was later deleted.
Requests for comment from Trump's campaign haven't been returned.
It's not clear who changed the sign, but state police are investigating, authorities say.