Skikda in context: Street-network sprawl trends

Skikda in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
SkikdaAlgeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Skikda plotted against Algeria. The SNDi of new construction in Skikda rose steadily, while Algeria followed a zig-zag trend with an overall decrease. Most recently, Skikda's incremental SNDi rose from 6.16 to 6.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Skikda ranked 101st out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
6.92
Rank in Algeria
108th of 109

Entire Network (Aggregate)

SNDi value
4.61
Rank in Algeria
101st of 109

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
SkikdaBishanRabwah

In new street additions, Skikda built increasingly disconnected streets over time, while Bishan fluctuated in its street-construction patterns and Rabwah built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Skikda and Rabwah both became progressively more disconnected, while Bishan fluctuated in connectivity. Skikda and Bishan have been growing further apart in their street-network character since 1975.