Marvdasht in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Marvdasht plotted against Fars and Iran. The SNDi of new construction in Marvdasht was at its lowest in 1991-2005, compared to Fars which followed a zig-zag trend with an overall increase and Iran which rose steadily. Most recently, Marvdasht's incremental SNDi rose from 3.02 to 3.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Marvdasht ranked 7th out of 11 cities in Fars and 120th out of 169 in Iran as of 2020.

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

What about similarly populated cities?

• Chandrapura, India
• Фокинский район, Russia
• Lichuan, China
• Wani, India
• Ilawe-Ekiti, Nigeria
• Pingjiang, China

In new street additions, Marvdasht built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Chandrapura built increasingly disconnected streets from 1975 through 1991-2005, then improved and Wani built increasingly disconnected streets over time. For the full network, Marvdasht became progressively more connected, while Chandrapura grew more disconnected from 1975 through 1991-2005, then improved and Wani became progressively more disconnected. Marvdasht and Chandrapura have been converging in their street-network character since 1975.