Chettia in context: Street-network sprawl trends

Chettia in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
ChettiaChlef (Region)Algeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chettia plotted against Chlef and Algeria. The SNDi of new construction in Chettia peaked in 1991-2005, compared to Chlef which fell steadily and Algeria which followed a zig-zag trend with an overall decrease. Most recently, Chettia's incremental SNDi fell from 2.66 to 2.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chettia ranked 1st out of 2 cities in Chlef and 72nd out of 109 in Algeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.24
Rank in Algeria
51st of 109
Rank in Chlef
1st of 2

Entire Network (Aggregate)

SNDi value
2.55
Rank in Algeria
72nd of 109
Rank in Chlef
1st of 2

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
ChettiaMinggangKaliyaganj

In new street additions, Chettia built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Minggang built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Kaliyaganj fluctuated in its street-construction patterns. For the full network, Chettia grew more disconnected from 1975 through 1991-2005, then improved, while Minggang became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Kaliyaganj fluctuated in connectivity. Chettia and Minggang have been growing further apart in their street-network character since 1975.