Working residents of Springfield live, on average, farther from their workplaces than do working residents of Rorchester. Thus, one would expect that the demand for public transportation would be greater in Springfield than in Rorchester. However, Springfield has only half as many bus routes as Rorchester. Each of the following, if true, contributes to a resolution of the apparent discrepancy described above EXCEPT: ['Three-fourths of the Springfield workforce is employed at the same factory outside the city limits.', 'Springfield has a larger population than Rorchester does.', 'The average number of cars per household is higher in Springfield than in Rorchester.', 'Buses in Springfield run more frequently and on longer routes than in Rorchester.']