Lorrie Prybyla, a Providence parking enforcement officer, said she was shocked when she spotted the sign on her rounds Monday, The Providence Journal reported Tuesday.
"No Mugging here to corner," the sign reads.
"How am I supposed to give out a ticket for no mugging?" Prybyla said.
Providence Public Works said the sign was put up by an unknown person without the city's knowledge, WPRI.com, Providence, reported. Officials said they plan to remove the sign Tuesday.
Lytro unveils camera that can focus a photo after shooting it
Easer Egg Roll brings thousands to White House