Miandoab in context: Street-network sprawl trends

Miandoab in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
MiandoabEast Azarbaijan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Miandoab plotted against East Azarbaijan and Iran. The SNDi of new construction in Miandoab was at its lowest in 1976-1990, compared to East Azarbaijan which rose steadily and Iran which rose steadily. Most recently, Miandoab's incremental SNDi rose from 3.76 to 3.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Miandoab ranked 4th out of 8 cities in East Azarbaijan and 118th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.88
Rank in Iran
122nd of 169
Rank in East Azarbaijan
4th of 8

Entire Network (Aggregate)

SNDi value
3.44
Rank in Iran
118th of 169
Rank in East Azarbaijan
4th of 8

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
MiandoabZhijinKhenifra

In new street additions, Miandoab and Khenifra both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Zhijin built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Miandoab and Khenifra both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Zhijin grew more disconnected from 1975 through 1991-2005, then improved. Miandoab and Khenifra have been growing further apart in their street-network character since 1975.