Anything without a "No Trespassing" sign posted is an open field that the police may search.

Question

Quizplus · Accepted Answer

This statement is not entirely accurate. While the absence of a "No Trespassing" sign may indicate that an area is open to the public, this does not necessarily give police the right to search without a warrant or probable cause. The Fourth Amendment of the United States Constitution protects citizens from unreasonable searches and seizures without a warrant or probable cause, regardless of whether there is a sign posted or not.

Anything Without a "No Trespassing" Sign Posted Is an Open