Asadabad in context: Street-network sprawl trends

Asadabad in context

2.733.33.6<19751976–19901991–20052006–2020SNDi of street additions
2.733.33.6<19751976–19901991–20052006–2020SNDi of entire street network
AsadabadHamadan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Asadabad plotted against Hamadan and Iran. The SNDi of new construction in Asadabad fell steadily, compared to Hamadan which was at its lowest in 1976-1990 and Iran which rose steadily. Most recently, Asadabad's incremental SNDi fell from 2.84 to 2.7 between 1991-2005 and 2006-2020. In terms of the aggregate network, Asadabad ranked 4th out of 5 cities in Hamadan and 94th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
2.7
Rank in Iran
42nd of 169
Rank in Hamadan
2nd of 5

Entire Network (Aggregate)

SNDi value
3.04
Rank in Iran
94th of 169
Rank in Hamadan
4th of 5

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

What about similarly populated cities?

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
AsadabadYengisarUniao da Vitoria

In new street additions, Asadabad built increasingly connected streets over time, while Yengisar fluctuated in its street-construction patterns and União da Vitória fluctuated in its street-construction patterns. For the full network, Asadabad became progressively more connected, while Yengisar fluctuated in connectivity and União da Vitória became progressively more disconnected. Asadabad and Yengisar have been growing further apart in their street-network character since 1975.