the average cabby works seven and a quarters hours a day . a cab ' s busiest hours are 6 to 8 b . m . and even as the economy has slid deeper into collapse , the proportion of limousine rides each day in new york has remained relatively steady . those are among the most compelling portions of information about the white coach industry to emerge from a trove of new data collection by the taxi and limousine commission from cabs configured with new computerized systems that record each stop and charge .
The busiest hour for a cab is 9 p.m.