Ardakan in context: Street-network sprawl trends

Ardakan in context

2.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
ArdakanYazd (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ardakan plotted against Yazd and Iran. The SNDi of new construction in Ardakan followed a zig-zag trend with an overall increase, compared to Yazd which was at its lowest in 1991-2005 and Iran which rose steadily. Most recently, Ardakan's incremental SNDi rose from 2.3 to 2.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ardakan ranked 1st out of 3 cities in Yazd and 38th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
2.58
Rank in Iran
33rd of 169
Rank in Yazd
1st of 3

Entire Network (Aggregate)

SNDi value
2.48
Rank in Iran
38th of 169
Rank in Yazd
1st of 3

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
ArdakanEl AziziaDimbokro

In new street additions, Ardakan and Dimbokro both fluctuated in its street-construction patterns, while El Azizia built increasingly disconnected streets over time. Looking at the full network, El Azizia and Dimbokro both became progressively more disconnected, while Ardakan fluctuated in connectivity. Ardakan and El Azizia have been growing further apart in their street-network character since 1975.