It may be hot and you need to bring liquids to
drink. Keep in mind the path to the bathroom may be a long one.
If you have a light folding chair, it's not a bad idea. You
will have to carry it a longer distance than you had thought.
Keep weight to a minimum. After the show get rid of any weight
you can as you may have an hour+ wait to get to and onto a
bus or subway. Don't even think about a taxi.
Parking on the street is not for those without endless
patience. Parking lots are already full from local people. No easy
exit exists. Be prepared to take an hour or so. The restaurants
will all be crowded too.
Yes, this is what it looks like as the exodus exceeds your
expectations. Be patient, it's your only hope. You will, however,
find people are in a good mood and everyone has a good time talking
along the way.
Wear your walking shoes. You may end up walking to
Grand Central Station on 42nd and Lex. from 34th or below, or Penn
Station on 7th Avenue and 34th. It can be manby times faster than
waiting for a bus with room for you.