The simulation you linked has a population density of 25,000 people per sq mile (New York City is 27,000 per sq mi.) It only accounts for trips internal to the

The simulation you linked has a population density of 25,000 people per sq mile (New York City is 27,000 per sq mi.) It only accounts for trips internal to the city which already have low wait times with existing taxi cabs, and does not simulate the waits for trips traversing into/out of the city.