Siirt in context: Street-network sprawl trends

Siirt 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
SiirtTurkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Siirt plotted against Turkey. Both Siirt and Turkey follow the same trend. Most recently, Siirt's incremental SNDi rose from 2.93 to 3.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Siirt ranked 139th out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
3.17
Rank in Turkey
143rd of 174

Entire Network (Aggregate)

SNDi value
2.81
Rank in Turkey
139th of 174

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
SiirtParnamirimGucheng

Siirt, Parnamirim, and Gucheng all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network. Siirt and Parnamirim have been converging in their street-network character since 1975.