Except of course for the guys with the M-16s who are telling you not to.
'Many refugees have complained that they are not being allowed to walk out of downtown to a safer area. Refugees said authorities are preventing them from taking a Crescent City Connection bridge out of downtown and forcing them to turn around toward downtown's Superdome, the processing center for evacuees to be bused.'
'The commander of the Louisiana National Guard, Maj. Gen. Bennett Landreneau, said that "once positive control has been implemented" in downtown New Orleans, authorities will certainly be considering allowing people to evacuate by foot.'
source - Chicago Tribune
I was talking about *before* the storm. Preventing people from doing it afterward is inexcusable.