In any case, they're back. This announcement went out last evening which means the "tomorrow night" in the message refers to tonight.
New Orleans, LA - As required by the Louisiana Supreme Court, the New Orleans Police Department is issuing a public advisory regarding a sobriety checkpoint that will be conducted tomorrow night.
The New Orleans Police Department’s Traffic Division will conduct a sobriety checkpoint in the Orleans Parish area beginning at approximately 9:00 P.M., and will conclude at approximately 5:00 A.M. Motorists will experience minimal delays and should have the proper documentation available if requested, i.e., proof of insurance, driver’s license, etc.