Jahrom County in context: Street-network sprawl trends
Jahrom County in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jahrom County plotted against Fars and Iran. The SNDi of new construction in Jahrom County peaked in 1991-2005, compared to Fars which followed a zig-zag trend with an overall increase and Iran which rose steadily. Most recently, Jahrom County's incremental SNDi fell from 4.23 to 3.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jahrom County ranked 9th out of 11 cities in Fars and 139th out of 169 in Iran as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.69
- Rank in Iran
- 113th of 169
- Rank in Fars
- 8th of 11
Entire Network (Aggregate)
- SNDi value
- 3.84
- Rank in Iran
- 139th of 169
- Rank in Fars
- 9th of 11
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Jahrom County and Igarra both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Masaka built increasingly disconnected streets over time. Looking at the full network, Masaka and Igarra both became progressively more disconnected, while Jahrom County grew more disconnected from 1975 through 1991-2005, then improved. Jahrom County and Masaka have been converging in their street-network character since 1975.