Fig. 3From: How is an informal transport infrastructure system formed? Towards a spatially explicit conceptual modelInformal network of transport infrastructure: a An informal settlement near Cape Town, South Africa (source: reproduced with permission from [71]); b Kibera informal settlement, Nairobi, Kenya (source: reproduced with permission from [72]); c Khayelitsha informal settlement, Cape Town, South Africa (source: reproduced with permission from [73])Back to article page