Sinjar in context: Street-network sprawl trends

Sinjar in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
SinjarNinawa (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sinjar plotted against Ninawa and Iraq. The SNDi of new construction in Sinjar followed a zig-zag trend with an overall increase, compared to Ninawa which peaked in 1991-2005 and Iraq which peaked in 1976-1990. Most recently, Sinjar's incremental SNDi fell from 2.47 to 2.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sinjar ranked 3rd out of 12 cities in Ninawa and 24th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.14
Rank in Iraq
20th of 86
Rank in Ninawa
3rd of 12

Entire Network (Aggregate)

SNDi value
2.25
Rank in Iraq
24th of 86
Rank in Ninawa
3rd of 12

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
SinjarYogomaiaArihah

In new street additions, Sinjar fluctuated in its street-construction patterns, while Yogomaia built increasingly disconnected streets over time and Arihah built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Yogomaia and Arihah both became progressively more disconnected, while Sinjar fluctuated in connectivity. Sinjar and Yogomaia have been growing further apart in their street-network character since 1975.