Düzce in context: Street-network sprawl trends

Duzce in context

22.22.42.62.8<19751976–19901991–20052006–2020SNDi of street additions
22.22.42.62.8<19751976–19901991–20052006–2020SNDi of entire street network
DuzceTurkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Düzce plotted against Turkey. Both Düzce and Turkey follow the same trend. Most recently, Düzce's incremental SNDi rose from 2.38 to 2.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Düzce ranked 112th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
2.68
Rank in Turkey
120th of 174

Entire Network (Aggregate)

SNDi value
2.29
Rank in Turkey
112th of 174

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
DuzceRenshouXinhua

In new street additions, Düzce fluctuated in its street-construction patterns, while Renshou built increasingly disconnected streets from 1975 through 1991-2005, then improved and Xinhua built increasingly disconnected streets over time. For the full network, Düzce and Xinhua both became progressively more disconnected, while Renshou grew more disconnected from 1975 through 1991-2005, then improved. Düzce and Renshou have been growing further apart in their street-network character since 1975.