Najafabad in context: Street-network sprawl trends

Najafabad 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
NajafabadEsfahan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Najafabad plotted against Esfahan and Iran. While Esfahan and Iran both rose steadily, Najafabad's new street additions rose steadily. Most recently, Najafabad's incremental SNDi rose from 2.35 to 3.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Najafabad ranked 1st out of 8 cities in Esfahan and 27th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.29
Rank in Iran
78th of 169
Rank in Esfahan
2nd of 8

Entire Network (Aggregate)

SNDi value
2.34
Rank in Iran
27th of 169
Rank in Esfahan
1st of 8

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

What about similarly populated cities?

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
NajafabadCastello de la PlanaBrownsville

In new street additions, Najafabad built increasingly disconnected streets over time, while Castelló de la Plana built increasingly disconnected streets from 1975 through 1976-1990, then improved and Brownsville built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Najafabad and Brownsville both became progressively more disconnected, while Castelló de la Plana grew more disconnected from 1975 through 1991-2005, then improved. Najafabad and Castelló de la Plana have been growing further apart in their street-network character since 1975.