As one of the fastest growing cities in the world (the third largest in Africa and ninth in the world), Dar es Salaam’s population of 4.3 million is expected to increase to 7 million by 2025 and transportation is, and will continue to be a factor in the quality of life for residents.
Likiwa kama jiji linalokua kwa kasi (http://www.citymayors.com/statistics/urban_growth1.html), idadi ya watu wa Dar es salaam ya milioni 4.3 inategemewa kuongezeka hadi milioni 7 kwa 2025 na usafirishaji ni, na utaendelea kuwa sababu ya ndani ya ubora wa maisha ya wakazi.