Dabou in context: Street-network sprawl trends

Dabou in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
DabouLagunes (Region)Cote d'Ivoire (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dabou plotted against Lagunes and Côte d'Ivoire. The SNDi of new construction in Dabou rose steadily, compared to Lagunes which rose steadily and Côte d'Ivoire which followed a zig-zag trend with an overall increase. Most recently, Dabou's incremental SNDi rose from 4.89 to 4.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dabou ranked 2nd out of 3 cities in Lagunes and 30th out of 39 in Côte d'Ivoire as of 2020.

New Street Additions (2006–2020)

SNDi value
4.89
Rank in Côte d'Ivoire
33rd of 39
Rank in Lagunes
2nd of 3

Entire Network (Aggregate)

SNDi value
3.0
Rank in Côte d'Ivoire
30th of 39
Rank in Lagunes
2nd of 3

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
DabouTana PaserQitai

In new street additions, Dabou and Tana Paser both built increasingly disconnected streets over time, while Qitai built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Dabou and Tana Paser both became progressively more disconnected, while Qitai grew more disconnected from 1975 through 1976-1990, then improved. Notably, Dabou had a more connected network than Qitai in 1975 but the two have since reversed their relative ranking.