Zakho in context: Street-network sprawl trends

Zakho in context

2.42.733.3<19751976–19901991–20052006–2020SNDi of street additions
2.42.733.3<19751976–19901991–20052006–2020SNDi of entire street network
ZakhoDihok (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zakho plotted against Dihok and Iraq. The SNDi of new construction in Zakho followed a zig-zag trend with an overall increase, compared to Dihok which peaked in 1976-1990 and Iraq which peaked in 1976-1990. Most recently, Zakho's incremental SNDi rose from 2.53 to 2.57 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zakho ranked 1st out of 4 cities in Dihok and 42nd out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.57
Rank in Iraq
31st of 86
Rank in Dihok
1st of 4

Entire Network (Aggregate)

SNDi value
2.54
Rank in Iraq
42nd of 86
Rank in Dihok
1st of 4

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
ZakhoGenoaKitwe

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