Bordj Bou Arreridjj in context: Street-network sprawl trends

Bordj Bou Arreridjj in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
Bordj Bou ArreridjjBordj Bou Arreridj (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bordj Bou Arreridjj plotted against Bordj Bou Arréridj and Algeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Bordj Bou Arreridjj's incremental SNDi rose from 1.72 to 2.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bordj Bou Arreridjj ranked 2nd out of 2 cities in Bordj Bou Arréridj and 37th out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.32
Rank in Algeria
53rd of 109
Rank in Bordj Bou Arréridj
2nd of 2

Entire Network (Aggregate)

SNDi value
1.78
Rank in Algeria
37th of 109
Rank in Bordj Bou Arréridj
2nd of 2

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
Bordj Bou ArreridjjIslampurAsella

In new street additions, Bordj Bou Arreridjj and Islampur both fluctuated in its street-construction patterns, while Asella built increasingly disconnected streets over time. For the full network, Bordj Bou Arreridjj and Asella both became progressively more disconnected, while Islampur fluctuated in connectivity. Bordj Bou Arreridjj and Asella have been growing further apart in their street-network character since 1975.