Louisiana Louisiana Louisiana (, ) is a state in the Deep South region of the southeastern United States. It is the 31st most extensive and the 25th most populous of the 50 United States. Louisiana is bordered by Arkansas to the north, Mississippi to the east, the Gulf of Mexico to the south, and the state of Texas to the west. A large part of its eastern boundary is demarcated by the Mississippi River. Louisiana is the only U.S. state with political subdivisions termed parishes, which are equivalent to counties. The state's capital is Baton Rouge, and its largest city is
Louisiana State Police of the Louisiana Legislature, to form the Louisiana Department of State Police. The department's force of patrolmen numbered over 40 at that time, and the primary patrol vehicle was the motorcycle. In 1939, the State Police was divided into eight "troops". Troopers in cars and motorcycles were patrolling nearly 2 million miles per year throughout the state. The agency's fleet of patrol motorcycles eventually grew to 64 motorcycles. In 1942 the Louisiana Legislature abolished the Department of State Police and made it a division of the newly created Department of Public Safety. The state police accepted new responsibilities in 1946,