Sarvestan in context: Street-network sprawl trends

Sarvestan in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sarvestan plotted against Fars and Iran. The SNDi of new construction in Sarvestan was at its lowest in 1976-1990, compared to Fars which followed a zig-zag trend with an overall increase and Iran which rose steadily. Most recently, Sarvestan's incremental SNDi rose from 2.74 to 3.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sarvestan ranked 2nd out of 11 cities in Fars and 66th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.13
Rank in Iran
66th of 169
Rank in Fars
3rd of 11

Entire Network (Aggregate)

SNDi value
2.81
Rank in Iran
66th of 169
Rank in Fars
2nd of 11

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

What about similarly populated cities?

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
SarvestanKirkukOkayama

While Kirkuk and Okayama both fluctuated in its street-construction patterns, Sarvestan built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. For the full network, Sarvestan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Kirkuk fluctuated in connectivity and Okayama became progressively more disconnected.