Nusaybin in context: Street-network sprawl trends

Nusaybin in context

22.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
NusaybinMardin (Region)Turkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nusaybin plotted against Mardin and Turkey. The SNDi of new construction in Nusaybin rose steadily, compared to Mardin which followed a zig-zag trend with an overall decrease and Turkey which followed a zig-zag trend with an overall increase. Most recently, Nusaybin's incremental SNDi rose from 3.15 to 3.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nusaybin ranked 3rd out of 4 cities in Mardin and 148th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
3.21
Rank in Turkey
144th of 174
Rank in Mardin
4th of 4

Entire Network (Aggregate)

SNDi value
2.93
Rank in Turkey
148th of 174
Rank in Mardin
3rd of 4

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
NusaybinLaiyuanJalal-Abad

In new street additions, Nusaybin built increasingly disconnected streets over time, while Laiyuan fluctuated in its street-construction patterns and Jalal-Abad built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Nusaybin became progressively more disconnected, while Laiyuan became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Jalal-Abad grew more disconnected from 1975 through 1976-1990, then improved. Nusaybin and Laiyuan have been growing further apart in their street-network character since 1975.