NYC Gridlock Alert Day guide for the holiday season

Gridlock Alert Days, identified by transportation officials, are among the busiest transportation days of the year, when shoppers, travelers and others hit the roadways and cause massive traffic jams. Here’s the calendar for the holiday season: 

Wednesday, November 25
Wednesday, December 2
Friday, December 4
Friday, December 11
Wednesday, December 16
Thursday, December 17
Friday, December 18
Wednesday, December 23