An Numaniyah in context: Street-network sprawl trends

An Numaniyah in context

22.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
An NumaniyahWasit (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with An Numaniyah plotted against Wasit and Iraq. The SNDi of new construction in An Numaniyah was at its lowest in 1991-2005, compared to Wasit which followed a zig-zag trend with an overall decrease and Iraq which peaked in 1976-1990. Most recently, An Numaniyah's incremental SNDi rose from 1.88 to 1.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, An Numaniyah ranked 1st out of 5 cities in Wasit and 11th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
1.89
Rank in Iraq
10th of 86
Rank in Wasit
1st of 5

Entire Network (Aggregate)

SNDi value
2.02
Rank in Iraq
11th of 86
Rank in Wasit
1st of 5

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
An NumaniyahHongyaBeit Shemesh

In new street additions, An Numaniyah built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Hongya fluctuated in its street-construction patterns and Beit Shemesh fluctuated in its street-construction patterns. For the full network, An Numaniyah and Beit Shemesh both became progressively more connected, while Hongya became progressively more disconnected. Notably, An Numaniyah had a more sprawly network than Hongya in 1975 but the two have since reversed their relative ranking.