Effective August 24, no vehicles will be allowed in the heart of Rwanda's capital Kigali, widely regarded as the cleanest city in Africa.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/rwanda-car-free-zone-begins-rwanda
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/all-africa
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/transport
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cars
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rwanda
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pedestrians
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/public-transport
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/buses
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa