Halabja in context: Street-network sprawl trends

Halabja in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
HalabjaAs-Sulaymaniyah (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Halabja plotted against As-Sulaymaniyah and Iraq. The SNDi of new construction in Halabja was at its lowest in 1991-2005, compared to As-Sulaymaniyah which peaked in 1976-1990 and Iraq which peaked in 1976-1990. Most recently, Halabja's incremental SNDi rose from 1.5 to 1.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Halabja ranked 3rd out of 6 cities in As-Sulaymaniyah and 5th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
1.72
Rank in Iraq
9th of 86
Rank in As-Sulaymaniyah
3rd of 6

Entire Network (Aggregate)

SNDi value
1.7
Rank in Iraq
5th of 86
Rank in As-Sulaymaniyah
3rd of 6

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
HalabjaFierTuzla

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