Aligudarz in context: Street-network sprawl trends

Aligudarz in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
AligudarzLorestan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Aligudarz plotted against Lorestan and Iran. The SNDi of new construction in Aligudarz followed a zig-zag trend with an overall increase, compared to Lorestan which rose steadily and Iran which rose steadily. Most recently, Aligudarz's incremental SNDi rose from 1.79 to 2.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Aligudarz ranked 2nd out of 6 cities in Lorestan and 7th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
2.12
Rank in Iran
12th of 169
Rank in Lorestan
1st of 6

Entire Network (Aggregate)

SNDi value
1.97
Rank in Iran
7th of 169
Rank in Lorestan
2nd of 6

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

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
AligudarzYiyangDaming

In new street additions, Aligudarz and Daming both fluctuated in its street-construction patterns, while Yiyang fluctuated in its street-construction patterns. For the full network, Aligudarz and Daming both fluctuated in connectivity, while Yiyang fluctuated in connectivity. Aligudarz and Yiyang have been converging in their street-network character since 1975.