Salamiyah in context: Street-network sprawl trends

Salamiyah in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
SalamiyahHamah (Region)Syria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Salamiyah plotted against Hamah and Syria. The SNDi of new construction in Salamiyah peaked in 1991-2005, compared to Hamah which followed a zig-zag trend with an overall increase and Syria which followed a zig-zag trend with an overall increase. Most recently, Salamiyah's incremental SNDi fell from 2.86 to 2.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Salamiyah ranked 1st out of 3 cities in Hamah and 20th out of 39 in Syria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.33
Rank in Syria
11th of 39
Rank in Hamah
1st of 3

Entire Network (Aggregate)

SNDi value
2.23
Rank in Syria
20th of 39
Rank in Hamah
1st of 3

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
SalamiyahBaojingHuehuetoca

In new street additions, Salamiyah built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Baojing fluctuated in its street-construction patterns and Huehuetoca built increasingly disconnected streets over time. For the full network, Salamiyah and Huehuetoca both became progressively more disconnected, while Baojing grew more disconnected from 1975 through 1976-1990, then improved.