Silopi in context: Street-network sprawl trends
Silopi in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Silopi plotted against Sirnak and Turkey. The SNDi of new construction in Silopi peaked in 1976-1990, compared to Sirnak which peaked in 1976-1990 and Turkey which followed a zig-zag trend with an overall increase. Most recently, Silopi's incremental SNDi fell from 1.67 to 1.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Silopi ranked 1st out of 3 cities in Sirnak and 61st out of 174 in Turkey as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.59
- Rank in Turkey
- 14th of 174
- Rank in Sirnak
- 1st of 3
Entire Network (Aggregate)
- SNDi value
- 1.83
- Rank in Turkey
- 61st of 174
- Rank in Sirnak
- 1st of 3
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Kontagora, Nigeria
- Huozhou, China
- San Juan del Río, México
- Nancheng, China
- Jetpur, India
- Heishan, China
In new street additions, Silopi built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kontagora fluctuated in its street-construction patterns and Nancheng fluctuated in its street-construction patterns. For the full network, Silopi became progressively more connected, while Kontagora fluctuated in connectivity and Nancheng fluctuated in connectivity. Notably, Silopi had a more sprawly network than Kontagora in 1975 but the two have since reversed their relative ranking.