If a driver is replaced by a cab passenger it is 1-to-1 replacement of personal vehicle with taxi, no impact on congestion. If you see demand for cabs increasi

If a driver is replaced by a cab passenger it is 1-to-1 replacement of personal vehicle with taxi, no impact on congestion. If you see demand for cabs increasing + congestion pricing revenue of $1.5bln that means more traffic and more paying drivers