Karadeniz Ereğli in context: Street-network sprawl trends

Karadeniz Eregli in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Karadeniz EregliZinguldak (Region)Turkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Karadeniz Ereğli plotted against Zinguldak and Turkey. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Karadeniz Ereğli's incremental SNDi rose from 3.51 to 4.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Karadeniz Ereğli ranked 2nd out of 3 cities in Zinguldak and 157th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
4.0
Rank in Turkey
158th of 174
Rank in Zinguldak
2nd of 3

Entire Network (Aggregate)

SNDi value
3.52
Rank in Turkey
157th of 174
Rank in Zinguldak
2nd of 3

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Karadeniz EregliTsuchiuraKotdwar

In new street additions, Karadeniz Ereğli and Kotdwar both fluctuated in its street-construction patterns, while Tsuchiura built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Notably, Karadeniz Ereğli had a more sprawly network than Kotdwar in 1975 but the two have since reversed their relative ranking.