Az Zubayr in context: Street-network sprawl trends

Az Zubayr in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Az Zubayr plotted against Al-Basrah and Iraq. The SNDi of new construction in Az Zubayr followed a zig-zag trend with an overall increase, compared to Al-Basrah which rose steadily and Iraq which peaked in 1976-1990. Most recently, Az Zubayr's incremental SNDi rose from 2.11 to 2.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Az Zubayr ranked 1st out of 5 cities in Al-Basrah and 14th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.34
Rank in Iraq
27th of 86
Rank in Al-Basrah
2nd of 5

Entire Network (Aggregate)

SNDi value
2.05
Rank in Iraq
14th of 86
Rank in Al-Basrah
1st of 5

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
Az ZubayrTal AfarBogale

In new street additions, Az Zubayr and Bogale both fluctuated in its street-construction patterns, while Tal Afar built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Az Zubayr and Bogale have been growing further apart in their street-network character since 1975.