Bordj Menaiel in context: Street-network sprawl trends

Bordj Menaiel in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
Bordj MenaielBoumerdes (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bordj Menaiel plotted against Boumerdès and Algeria. The SNDi of new construction in Bordj Menaiel was at its lowest in 1976-1990, compared to Boumerdès which followed a zig-zag trend with an overall decrease and Algeria which followed a zig-zag trend with an overall decrease. Most recently, Bordj Menaiel's incremental SNDi rose from 3.15 to 3.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bordj Menaiel ranked 1st out of 3 cities in Boumerdès and 79th out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.75
Rank in Algeria
86th of 109
Rank in Boumerdès
1st of 3

Entire Network (Aggregate)

SNDi value
3.2
Rank in Algeria
79th of 109
Rank in Boumerdès
1st of 3

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Bordj MenaielUmbulrejoBocono

In new street additions, Bordj Menaiel built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Umbulrejo built increasingly disconnected streets over time and Boconó fluctuated in its street-construction patterns. Looking at the full network, Umbulrejo and Boconó both became progressively more disconnected, while Bordj Menaiel became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Bordj Menaiel and Umbulrejo have been converging in their street-network character since 1975.