Sidi Aissa in context: Street-network sprawl trends

Sidi Aissa 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
Sidi AissaM'Sila (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sidi Aissa plotted against M'Sila and Algeria. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sidi Aissa's incremental SNDi rose from 2.02 to 2.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sidi Aissa ranked 3rd out of 4 cities in M'Sila and 46th out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.19
Rank in Algeria
46th of 109
Rank in M'Sila
4th of 4

Entire Network (Aggregate)

SNDi value
2.0
Rank in Algeria
46th of 109
Rank in M'Sila
3rd of 4

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
Sidi AissaUkhrulRahui

In new street additions, Sidi Aissa fluctuated in its street-construction patterns, while Ukhrul fluctuated in its street-construction patterns and Rahui built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Sidi Aissa became progressively more disconnected, while Ukhrul fluctuated in connectivity and Rahui became progressively more connected. Sidi Aissa and Ukhrul have been growing further apart in their street-network character since 1975.