Qaem Shahr in context: Street-network sprawl trends

Qaem Shahr in context

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
Qaem ShahrMazandaran (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qaem Shahr plotted against Mazandaran and Iran. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Qaem Shahr's incremental SNDi rose from 6.96 to 9.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qaem Shahr ranked 8th out of 9 cities in Mazandaran and 168th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
9.11
Rank in Iran
168th of 169
Rank in Mazandaran
8th of 9

Entire Network (Aggregate)

SNDi value
6.01
Rank in Iran
168th of 169
Rank in Mazandaran
8th of 9

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
Qaem ShahrKaspiyskTexmelucan

In new street additions, Qaem Shahr and Texmelucan both built increasingly disconnected streets over time, while Kaspiysk built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Qaem Shahr and Kaspiysk have been converging in their street-network character since 1975.