Koléa in context: Street-network sprawl trends

Kolea in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
KoleaTipaza (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Koléa plotted against Tipaza and Algeria. The SNDi of new construction in Koléa rose steadily, compared to Tipaza which peaked in 1976-1990 and Algeria which followed a zig-zag trend with an overall decrease. Most recently, Koléa's incremental SNDi rose from 4.0 to 4.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Koléa ranked 1st out of 1 cities in Tipaza and 89th out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
4.24
Rank in Algeria
89th of 109
Rank in Tipaza
1st of 1

Entire Network (Aggregate)

SNDi value
3.81
Rank in Algeria
89th of 109
Rank in Tipaza
1st of 1

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
KoleaRenoKindu

In new street additions, Koléa and Reno both built increasingly disconnected streets over time, while Kindu fluctuated in its street-construction patterns. For the full network, Koléa and Reno both became progressively more disconnected, while Kindu fluctuated in connectivity.