Al Qurna in context: Street-network sprawl trends

Al Qurna in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
Al QurnaAl-Basrah (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Al Qurna plotted against Al-Basrah and Iraq. The SNDi of new construction in Al Qurna followed a zig-zag trend with an overall decrease, compared to Al-Basrah which rose steadily and Iraq which peaked in 1976-1990. Most recently, Al Qurna's incremental SNDi fell from 2.4 to 2.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al Qurna ranked 2nd out of 5 cities in Al-Basrah and 39th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.07
Rank in Iraq
16th of 86
Rank in Al-Basrah
1st of 5

Entire Network (Aggregate)

SNDi value
2.49
Rank in Iraq
39th of 86
Rank in Al-Basrah
2nd of 5

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Al QurnaRayagadaRosetta

In new street additions, Al Qurna fluctuated in its street-construction patterns, while Rayagada built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Rosetta built increasingly disconnected streets over time. For the full network, Al Qurna became progressively more connected, while Rayagada became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Rosetta became progressively more disconnected. Al Qurna and Rosetta have been growing further apart in their street-network character since 1975.