Shahin Shahr in context: Street-network sprawl trends

Shahin Shahr in context

33.33.63.9<19751976–19901991–20052006–2020SNDi of street additions
33.33.63.9<19751976–19901991–20052006–2020SNDi of entire street network
Shahin ShahrEsfahan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shahin Shahr plotted against Esfahan and Iran. The SNDi of new construction in Shahin Shahr peaked in 1976-1990, compared to Esfahan which followed a zig-zag trend with an overall decrease and Iran which rose steadily. Most recently, Shahin Shahr's incremental SNDi fell from 2.99 to 2.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shahin Shahr ranked 2nd out of 8 cities in Esfahan and 97th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
2.88
Rank in Iran
53rd of 169
Rank in Esfahan
1st of 8

Entire Network (Aggregate)

SNDi value
3.14
Rank in Iran
97th of 169
Rank in Esfahan
2nd of 8

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
Shahin ShahrJalal-AbadNuomuhuicun

In new street additions, Shahin Shahr and Jalal-Abad both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Nuomuhuicun fluctuated in its street-construction patterns. For the full network, Shahin Shahr and Jalal-Abad both grew more disconnected from 1975 through 1976-1990, then improved, while Nuomuhuicun fluctuated in connectivity. Shahin Shahr and Jalal-Abad have been converging in their street-network character since 1975.