Aktau in context: Street-network sprawl trends

Aktau 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
AktauMangghystau (Region)Kazakhstan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Aktau plotted against Mangghystau and Kazakhstan. The SNDi of new construction in Aktau followed a zig-zag trend with an overall decrease, compared to Mangghystau which peaked in 1991-2005 and Kazakhstan which rose steadily. Most recently, Aktau's incremental SNDi fell from 2.22 to 2.01 between 1991-2005 and 2006-2020. In terms of the aggregate network, Aktau ranked 2nd out of 3 cities in Mangghystau and 9th out of 32 in Kazakhstan as of 2020.

New Street Additions (2006–2020)

SNDi value
2.01
Rank in Kazakhstan
7th of 32
Rank in Mangghystau
2nd of 3

Entire Network (Aggregate)

SNDi value
2.07
Rank in Kazakhstan
9th of 32
Rank in Mangghystau
2nd of 3

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
AktauWelkomInaruwa

In new street additions, Aktau fluctuated in its street-construction patterns, while Welkom built increasingly disconnected streets from 1975 through 1991-2005, then improved and Inaruwa built increasingly disconnected streets over time. Looking at the full network, Welkom and Inaruwa both became progressively more disconnected, while Aktau fluctuated in connectivity. Aktau and Welkom have been growing further apart in their street-network character since 1975.