Takestan in context: Street-network sprawl trends

Takestan in context

2.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
TakestanQazvin (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Takestan plotted against Qazvin and Iran. While Qazvin and Iran both rose steadily, Takestan's new street additions rose steadily. Most recently, Takestan's incremental SNDi rose from 2.99 to 3.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Takestan ranked 2nd out of 3 cities in Qazvin and 89th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.43
Rank in Iran
92nd of 169
Rank in Qazvin
2nd of 3

Entire Network (Aggregate)

SNDi value
3.0
Rank in Iran
89th of 169
Rank in Qazvin
2nd of 3

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
TakestanTczewBhanga

In new street additions, Takestan built increasingly disconnected streets over time, while Tczew built increasingly disconnected streets from 1975 through 1976-1990, then improved and Bhanga built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Tczew and Bhanga both grew more disconnected from 1975 through 1991-2005, then improved, while Takestan became progressively more disconnected. Takestan and Tczew have been converging in their street-network character since 1975.