Bili 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 Bili plotted against Nord-Ubangi and Democratic Republic of the Congo. The SNDi of new construction in Bili rose steadily, compared to Nord-Ubangi which followed a zig-zag trend with an overall increase and Democratic Republic of the Congo which followed a zig-zag trend with an overall increase. Most recently, Bili's incremental SNDi rose from 4.01 to 4.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bili ranked 1st out of 5 cities in Nord-Ubangi and 78th 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?

• Mocímboa da Praia, Mozambique
• Fernandópolis, Brazil
• Chodavaram, India
• Sugözü, Turkey
• Soroti, Uganda
• Daman, India

In new street additions, Bili built increasingly disconnected streets over time, while Mocímboa da Praia built increasingly disconnected streets from 1975 through 1991-2005, then improved and Sugözü built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Bili and Mocímboa da Praia both became progressively more disconnected, while Sugözü became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Bili had a more connected network than Mocímboa da Praia in 1975 but the two have since reversed their relative ranking.