If you are given safe conduct, the authorities officially allow you to travel somewhere, guaranteeing that you will not be arrested or harmed while doing so.
Safe conduct is the situation in time of international conflict or war where one state, a party to such conflict, issues to a person, usually an enemy state's subject, a pass or document to allow the enemy alien to traverse its territory without harassment, bodily harm, or fear of death. ...
The security given by authority of a government to a stranger for his quietly coming into and passing out of the territories over which said government has jurisdiction or control