A comparison of the costs of operation of the motor bus, Birney safety car, and trolley bus on the local transportation routes in Pasadena

摘要

With the installation by the Pacific Electric Railwayudof a bus system in Pasadena to supplant most of its trolleyudlines, the problem of the comparison of the costs of the twoudsystems naturally presented itself. The study here undertakenudwas originally started as just a comparison of the motorudbus and Birney Safety Car, but as the work progressed it seemedudadvisable to include the trolley bus as well - a method ofudtransportation that is comparatively new as far as developmentudis concerned, but which seems to be finding increasing favorudin the East.ud