During a threat of a hurricane, a phased evacuation will be based on geographic location and time in which tropical storm winds are forecasted to reach the affected areas.
50 Hours before onset of tropical storm winds. Includes areas south of the Intracoastal Waterway. These areas are outside any Levee protection system and are vulnerable to Category 1 and 2 storms. During Phase I, there are no route restrictions.
40 Hours before onset of tropical storm winds. Includes areas south of the Mississippi River which are Levee protected but remain vulnerable to Category 2 or higher storms. During Phase II, there are no route restrictions.
30 Hours before onset of tropical storm winds. Includes areas on the East Bank of the Mississippi River in the New Orleans Metropolitan Area which are within Levee protection system but remain vulnerable to a slow-moving Category 3 or any Category 4 or 5 storm. During Phase Ill, certain routes will be directed and the Contraflow Plan implemented.