The right to travel is a part of the "liberty" of which the citizen cannot be deprived without due process of law under the Fifth Amendment. Decided June 16, 1958 (argued April 10, 1958). Opinion of the Court: William O. Douglas → go there Dissenting: Clark. Applied: the Fifth Amendment → go there Topic: Freedom of movement. Kent v. Dulles, 357 U.S. 116 (1958), is a landmark decision of the U.S. Supreme Court in which the court held that the government violated the right to travel and First Amendment free speech rights when it suspended people's passports based on their political speech. It was the first case in which the U.S. Supreme Court made a distinction between the constitutionally protected substantive due process freedom of movement and the right to travel abroad. Wiki link