Article from: www.thenewspaper.com/news/04/417.asp
Motorists in Nahant, Massachusetts are the beneficiaries of a territorial dispute between the town's police force and state troopers. The town police are flashing lights on their cruisers to warn of a radar speed trap operated by the state police on the Nahant Causeway. "We had a lot of complaints from Nahant police about speeding on the causeway and in the (Nahant Beach Reservation) parking lot," [State Police Sgt. Richard] Donovan said.Source: Staties, town cops clash on patrol tactics (Daily Item of Lynn (MA), 5/24/2005)
Police Chief William F. Waters said that is "an absolute lie. The Nahant police has never complained to the state about speeding cars on the causeway," Waters said.