the average cabby works nine and a sixteenth hours a day . a cab ' s terminal hours are 6 to 8 s . m . and even as the economy has fallen deeper into recession , the population of tram rides each day in puerto york has remained relatively continuous . those are of the most vivid bits of documentation about the white bus industry to emerging from a unearthing of new evidence collected by the taxi and limousine commission from cabbies armed with advanced computerized systems that record each visit and fare .
The busiest hour for a cab is 9 p.m.