Deir Ez Zor in context: Street-network sprawl trends
Deir Ez Zor in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Deir Ez Zor plotted against Dayr Az Zawr and Syria. The SNDi of new construction in Deir Ez Zor peaked in 1991-2005, compared to Dayr Az Zawr which rose steadily and Syria which followed a zig-zag trend with an overall increase. Most recently, Deir Ez Zor's incremental SNDi fell from 2.91 to 2.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Deir Ez Zor ranked 2nd out of 3 cities in Dayr Az Zawr and 12th out of 39 in Syria as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.63
- Rank in Syria
- 13th of 39
- Rank in Dayr Az Zawr
- 1st of 3
Entire Network (Aggregate)
- SNDi value
- 1.9
- Rank in Syria
- 12th of 39
- Rank in Dayr Az Zawr
- 2nd of 3
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Deir Ez Zor built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Jinja built increasingly disconnected streets over time and Ruijin fluctuated in its street-construction patterns. For the full network, Deir Ez Zor and Jinja both became progressively more disconnected, while Ruijin fluctuated in connectivity.