Documents reviewed by Reuters make clear that the system, which is expected to be in place by Super Bowl Sunday, will offer little protection against vehicle attacks at any significant speed.

Crowds returned to Bourbon Street on Thursday, a day after Shamsud-Din Jabbar drove his vehicle into a crowd in New Orleans, killing 14 people and injuring dozens. The rescheduled Sugar Bowl game was played,

Law enforcement officials say the man who rammed a truck into a New Year's crowd had suspected bomb-making materials at his home and reserved the rental vehicle used in the attack weeks earlier.

By Rich McKay (Reuters) -Fourteen people were killed and 30 were injured after a U.S. Army veteran, who also died, with an ISIS flag on his truck swerved around makeshift barriers and plowed into revelers in New Orleans' crowded French Quarter on New Year's Day.

Two days after the terror attack that killed 14 people and injured dozens more, New Orleans is trying to balance respect for the victims with the resilience the city is known for. NBC News' Tom Llamas reports.