Qaraziadin in context: Street-network sprawl trends

Qaraziadin in context

2.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
QaraziadinWest Azarbaijan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qaraziadin plotted against West Azarbaijan and Iran. While West Azarbaijan and Iran both rose steadily, Qaraziadin's new street additions rose steadily. Most recently, Qaraziadin's incremental SNDi rose from 2.95 to 3.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qaraziadin ranked 7th out of 11 cities in West Azarbaijan and 81st out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.34
Rank in Iran
84th of 169
Rank in West Azarbaijan
7th of 11

Entire Network (Aggregate)

SNDi value
2.92
Rank in Iran
81st of 169
Rank in West Azarbaijan
7th of 11

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
QaraziadinZelenogradBanswara

Qaraziadin, Zelenograd, and Banswara all built increasingly disconnected streets over time in new street construction. Looking at the full network, Zelenograd and Banswara both became progressively more disconnected, while Qaraziadin became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Qaraziadin and Zelenograd have been converging in their street-network character since 1975.