Tadjenanet in context: Street-network sprawl trends

Tadjenanet in context

0.91.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
TadjenanetMila (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tadjenanet plotted against Mila and Algeria. The SNDi of new construction in Tadjenanet rose steadily, compared to Mila which peaked in 1976-1990 and Algeria which followed a zig-zag trend with an overall decrease. Most recently, Tadjenanet's incremental SNDi rose from 1.68 to 1.86 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tadjenanet ranked 1st out of 3 cities in Mila and 22nd out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
1.86
Rank in Algeria
35th of 109
Rank in Mila
1st of 3

Entire Network (Aggregate)

SNDi value
1.52
Rank in Algeria
22nd of 109
Rank in Mila
1st of 3

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
TadjenanetLos Reyes de SalgadoBaras

While Los Reyes de Salgado and Baras both fluctuated in its street-construction patterns, Tadjenanet built increasingly disconnected streets over time in new street additions. For the full street network, though, all three cities follow the same trend. Tadjenanet and Los Reyes de Salgado have been growing further apart in their street-network character since 1975.