Ash Shamiya in context: Street-network sprawl trends

Ash Shamiya in context

2.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
Ash ShamiyaAl-Qadisiyah (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ash Shamiya plotted against Al-Qadisiyah and Iraq. The SNDi of new construction in Ash Shamiya followed a zig-zag trend with an overall decrease, compared to Al-Qadisiyah which was at its lowest in 1991-2005 and Iraq which peaked in 1976-1990. Most recently, Ash Shamiya's incremental SNDi fell from 2.39 to 2.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ash Shamiya ranked 5th out of 6 cities in Al-Qadisiyah and 52nd out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.37
Rank in Iraq
28th of 86
Rank in Al-Qadisiyah
2nd of 6

Entire Network (Aggregate)

SNDi value
2.66
Rank in Iraq
52nd of 86
Rank in Al-Qadisiyah
5th of 6

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
Ash ShamiyaPenrithRubuchi

In new street additions, Ash Shamiya fluctuated in its street-construction patterns, while Penrith built increasingly disconnected streets from 1975 through 1991-2005, then improved and Rubuchi fluctuated in its street-construction patterns. For the full network, Ash Shamiya became progressively more connected, while Penrith grew more disconnected from 1975 through 1991-2005, then improved and Rubuchi fluctuated in connectivity. Ash Shamiya and Penrith have been growing further apart in their street-network character since 1975.