Erzurum in context: Street-network sprawl trends

Erzurum in context

1.82.12.42.7<19751976–19901991–20052006–2020SNDi of street additions
1.82.12.42.7<19751976–19901991–20052006–2020SNDi of entire street network
ErzurumTurkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Erzurum plotted against Turkey. The SNDi of new construction in Erzurum rose steadily, while Turkey followed a zig-zag trend with an overall increase. Most recently, Erzurum's incremental SNDi rose from 2.02 to 2.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Erzurum ranked 54th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
2.5
Rank in Turkey
105th of 174

Entire Network (Aggregate)

SNDi value
1.78
Rank in Turkey
54th of 174

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
ErzurumWeiSisulu Village

Erzurum, Wei, and Sisulu Village all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Erzurum and Wei have been growing further apart in their street-network character since 1975.