rehana moosajee was the driving force behind the new bus system.she is head of the department of transport for johannesburg. >> the city had to make a decision to start somewhere. soweto being as populous as it is. is really where we have chosen to start. of course, the project also has to contain with the city that has been apartheid specially planned. unlike most other cities which are pretty compact, johannesburg struggles with issues of urban sprawl. >> traffic jams are not uncommon for a large city that is densely populated. every day, countless commuters struggle to make their way through city traffic. mornings and evenings, there are traffic jams that go on for kilometers. convincing drivers to make the switch to buses would help. >> rea vaya stations are very much become a part of the johannesburg streetscape. they have been conceptualized through high levels of public participation. part of that is been ensuring that if you are standing in a station you are very much interacting with the surround. and with the natural light that comes thro