Question Hurricane evacuation route signs: Answers Are on highways that should be used in the case of a hurricane evacuation. Are only up when there is a hurricane. Are recommended for use by only out-of-state visitors. Are recommended for use by only Louisiana residents. Explanation Hurricane evacuation route signs indicate that a highway is an emergency evacuation route. You should know where these signs are in case an emergency strikes. Pass your DMV Written Test with flying colors Take me to the cheat sheet Louisiana This questions appears in the following tests: Louisiana Practice Test 18 Louisiana Practice Test 6