Erciş in context: Street-network sprawl trends

Ercis in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ErcisVan (Region)Turkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Erciş plotted against Van and Turkey. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Erciş's incremental SNDi rose from 4.6 to 4.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Erciş ranked 2nd out of 2 cities in Van and 168th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
4.84
Rank in Turkey
163rd of 174
Rank in Van
2nd of 2

Entire Network (Aggregate)

SNDi value
4.58
Rank in Turkey
168th of 174
Rank in Van
2nd of 2

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
ErcisLonggangMiskolc

While Longgang and Miskolc both built increasingly disconnected streets over time, Erciş fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Erciş and Miskolc have been growing further apart in their street-network character since 1975.