Bani Saad in context: Street-network sprawl trends

Bani Saad in context

2.12.42.733.3<19751976–19901991–20052006–2020SNDi of street additions
2.12.42.733.3<19751976–19901991–20052006–2020SNDi of entire street network
Bani SaadDiyala (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bani Saad plotted against Diyala and Iraq. The SNDi of new construction in Bani Saad followed a zig-zag trend with an overall increase, compared to Diyala which was at its lowest in 1991-2005 and Iraq which peaked in 1976-1990. Most recently, Bani Saad's incremental SNDi rose from 2.16 to 2.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bani Saad ranked 3rd out of 4 cities in Diyala and 35th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.84
Rank in Iraq
50th of 86
Rank in Diyala
3rd of 4

Entire Network (Aggregate)

SNDi value
2.42
Rank in Iraq
35th of 86
Rank in Diyala
3rd of 4

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
Bani SaadTatvanRiverwood

In new street additions, Bani Saad fluctuated in its street-construction patterns, while Tatvan built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Riverwood built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Bani Saad fluctuated in connectivity, while Tatvan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Riverwood became progressively more disconnected. Bani Saad and Tatvan have been converging in their street-network character since 1975.