 Originally developed as Oakland's first street leading from the Jack London Square waterfront, Broadway remains one of Oakland's busiest streets, carrying copious quantities of peak period private automobile trips, in addition to bus, bicycle and pedestrian traffic.AC Transit's 51A line runs through the area down Broadway to connect the people of the Rockridge district, and other neighborhoods of North Oakland, with Oakland's Downtown.The 51A line is one of the system's busiest, carrying a large volume of passengers through the corridor.