Mollasani 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 Mollasani plotted against Khuzestan and Iran. The SNDi of new construction in Mollasani peaked in 1991-2005, compared to Khuzestan which rose steadily and Iran which rose steadily. Most recently, Mollasani's incremental SNDi fell from 3.33 to 3.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mollasani ranked 14th out of 15 cities in Khuzestan and 103rd 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?

• Netrokona, Bangladesh
• Thanlyin, Myanmar
• Kamarda, India
• Shenmu, China
• Lanling, China
• Xingyi, China

In new street additions, Mollasani built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Netrokona built increasingly disconnected streets over time and Shenmu fluctuated in its street-construction patterns. For the full network, Mollasani and Netrokona both became progressively more disconnected, while Shenmu fluctuated in connectivity. Notably, Mollasani had a more sprawly network than Netrokona in 1975 but the two have since reversed their relative ranking.