Frenda in context: Street-network sprawl trends

Frenda in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
FrendaTiaret (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Frenda plotted against Tiaret and Algeria. The SNDi of new construction in Frenda rose steadily, compared to Tiaret which followed a zig-zag trend with an overall increase and Algeria which followed a zig-zag trend with an overall decrease. Most recently, Frenda's incremental SNDi rose from 1.93 to 2.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Frenda ranked 3rd out of 4 cities in Tiaret and 42nd out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.0
Rank in Algeria
39th of 109
Rank in Tiaret
3rd of 4

Entire Network (Aggregate)

SNDi value
1.9
Rank in Algeria
42nd of 109
Rank in Tiaret
3rd of 4

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
FrendaKiraoliKarawa

In new street additions, Frenda built increasingly disconnected streets over time, while Kiraoli fluctuated in its street-construction patterns and Karawa fluctuated in its street-construction patterns. For the full network, Frenda became progressively more disconnected, while Kiraoli fluctuated in connectivity and Karawa became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.