Streetcars and buses carry the greater volume of passengers during the peak rush hours and further facilitation of these mass transportation vehicles is the primary requisite. This can be achieved by more expeditious loading, by additional restriction of other types of traffic and by further reducing turning movements. Our streets are not used to their maximum capacity as yet and greater speed of traffic on certain streets is still possible. Much has been accomplished in recent years but further intensive study will disclose opportunity for more expeditious traffic flow.