Mahabad in context: Street-network sprawl trends

Mahabad in context

2.433.6<19751976–19901991–20052006–2020SNDi of street additions
2.433.6<19751976–19901991–20052006–2020SNDi of entire street network
MahabadWest Azarbaijan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mahabad plotted against West Azarbaijan and Iran. While West Azarbaijan and Iran both rose steadily, Mahabad's new street additions rose steadily. Most recently, Mahabad's incremental SNDi rose from 2.57 to 3.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mahabad ranked 6th out of 11 cities in West Azarbaijan and 54th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.47
Rank in Iran
96th of 169
Rank in West Azarbaijan
8th of 11

Entire Network (Aggregate)

SNDi value
2.69
Rank in Iran
54th of 169
Rank in West Azarbaijan
6th of 11

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

What about similarly populated cities?

2.43.24<19751976–19901991–20052006–2020SNDi of street additions
2.43.24<19751976–19901991–20052006–2020SNDi of entire street network
MahabadMufuliraXiapu

In new street additions, Mahabad built increasingly disconnected streets over time, while Mufulira fluctuated in its street-construction patterns and Xiapu fluctuated in its street-construction patterns. For the full network, Mahabad became progressively more disconnected, while Mufulira fluctuated in connectivity and Xiapu fluctuated in connectivity. Notably, Mahabad had a more connected network than Mufulira in 1975 but the two have since reversed their relative ranking.