Getting around NYC can be a real pain in the ass.
Walking is all good and dandy until you get lost or almost hit by a speeding car. Taxis are easy, but expensive — and during rush hour? Are you kidding? And finally, you have the metro, which seems like a viable option in the middle between taxis and walking — until you get on the 2 train that suddenly decides to uhm… not stop at 96th so you can transfer, and then you’ll suddenly in Harlem.
Here’s a guide to collegiate uses for the transportation systems of NYC.