San-Pédro in context: Street-network sprawl trends

San-Pedro in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
San-PedroBas-Sassandra (Region)Cote d'Ivoire (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with San-Pédro plotted against Bas-Sassandra and Côte d'Ivoire. The SNDi of new construction in San-Pédro peaked in 1991-2005, compared to Bas-Sassandra which followed a zig-zag trend with an overall increase and Côte d'Ivoire which followed a zig-zag trend with an overall increase. Most recently, San-Pédro's incremental SNDi fell from 5.26 to 4.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, San-Pédro ranked 3rd out of 4 cities in Bas-Sassandra and 35th out of 39 in Côte d'Ivoire as of 2020.

New Street Additions (2006–2020)

SNDi value
4.9
Rank in Côte d'Ivoire
34th of 39
Rank in Bas-Sassandra
3rd of 4

Entire Network (Aggregate)

SNDi value
3.73
Rank in Côte d'Ivoire
35th of 39
Rank in Bas-Sassandra
3rd of 4

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
San-PedroKielXinchang

In new street additions, San-Pédro and Xinchang both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Kiel built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. San-Pédro and Xinchang have been converging in their street-network character since 1975.