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  • Traffic Condition to report or get information about real-time traffic and travel conditions

The Department of Transportation (DOT) identifies Gridlock Alert Days during the UN General Assembly and throughout the holiday season when heavy traffic is expected in Manhattan.

DOT identifies these days by collecting and analyzing traffic data from past years. Gridlock Alert Days often come with the holiday season when more visitors travel to the City. 

On these Gridlock Alert Days, you should consider walking, biking, or taking mass transit for any trips in Manhattan.

The 2023 Gridlock Alert Days are:

  • Monday, September 18, 2023
  • Tuesday, September 19, 2023
  • Wednesday, September 20, 2023
  • Thursday, September 21, 2023
  • Friday, September 22, 2023
  • Wednesday, November 15, 2023
  • Thursday, November 16, 2023
  • Tuesday, November 21, 2023
  • Wednesday, November 29, 2023
  • Thursday, November 30, 2023
  • Friday, December 1, 2023
  • Tuesday, December 5, 2023
  • Wednesday, December 6, 2023
  • Thursday, December 7, 2023
  • Friday, December 8, 2023
  • Tuesday, December 12, 2023
  • Wednesday, December 13, 2023
  • Thursday, December 14, 2023
  • Friday, December 15, 2023

Learn more about Gridlock Alert Days.

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