Lwambo in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lwambo plotted against Haut-Katanga and Democratic Republic of the Congo. The SNDi of new construction in Lwambo followed a zig-zag trend with an overall decrease, compared to Haut-Katanga which peaked in 1976-1990 and Democratic Republic of the Congo which followed a zig-zag trend with an overall increase. Most recently, Lwambo's incremental SNDi fell from 5.19 to 4.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lwambo ranked 15th out of 17 cities in Haut-Katanga and 144th out of 186 in Democratic Republic of the Congo as of 2020.

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

• Anguo, China
• Naghadeh, Iran
• Parintins, Brazil
• Fengzhen, China
• Matão, Brazil
• Nawada, India

In new street additions, Lwambo fluctuated in its street-construction patterns, while Anguo fluctuated in its street-construction patterns and Fengzhen built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Lwambo became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Anguo fluctuated in connectivity and Fengzhen grew more disconnected from 1975 through 1991-2005, then improved. Lwambo and Anguo have been converging in their street-network character since 1975.