Fatih Sultan in context: Street-network sprawl trends

Fatih Sultan in context

2.12.42.73<19751976–19901991–20052006–2020SNDi of street additions
2.12.42.73<19751976–19901991–20052006–2020SNDi of entire street network
Fatih SultanAnkara (Region)Turkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Fatih Sultan plotted against Ankara and Turkey. The SNDi of new construction in Fatih Sultan peaked in 1991-2005, compared to Ankara which followed a zig-zag trend with an overall increase and Turkey which followed a zig-zag trend with an overall increase. Most recently, Fatih Sultan's incremental SNDi fell from 2.92 to 2.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Fatih Sultan ranked 6th out of 8 cities in Ankara and 105th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
2.15
Rank in Turkey
71st of 174
Rank in Ankara
5th of 8

Entire Network (Aggregate)

SNDi value
2.21
Rank in Turkey
105th of 174
Rank in Ankara
6th of 8

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Fatih SultanDassa-ZoumeWundwin

While Dassa-Zoumé and Wundwin both fluctuated in its street-construction patterns, Fatih Sultan built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Fatih Sultan grew more disconnected from 1975 through 1991-2005, then improved, while Dassa-Zoumé fluctuated in connectivity and Wundwin grew more disconnected from 1975 through 1976-1990, then improved. Notably, Fatih Sultan had a more sprawly network than Dassa-Zoumé in 1975 but the two have since reversed their relative ranking.