This City Used Big Data to Beat a Big Rat Problem
A deep analysis of NYC taxi and uber rides
Many analyses of New York City data
Using Taxi Patterns to Reduce Commuter Costs
Data Mining Reveals When a Yellow Taxi Is Cheaper Than Uber
Distances to your nearest version of various chains in New York
Many interesting studies
Uber and Lyft trips in San Francisco
40 Brilliant Open Data Projects Preparing Smart Cities for 2018
Various data competitions
Driven Data
Kaggle