The transformation is underway at MetLife Stadium ahead of its first World Cup match there on Saturday.
High temperatures could be in place in several of the host cities during the World Cup.
FIFA has made a late change of policy to bar World Cup fans from bringing refillable water bottles into the tournament's 16 stadiums across North America.
The MTA will run additional subway, LIRR and Metro-North service on match days and to a free fan fest.
The restrictions cover 30 of the city's busiest blocks, from 30th to 60th streets, and will be in place for six hours before, and three hours after each game.
Uber is offering fans a way to get home from the upcoming World Cup games.