Meshginshahr in context: Street-network sprawl trends

Meshginshahr in context

2.733.33.6<19751976–19901991–20052006–2020SNDi of street additions
2.733.33.6<19751976–19901991–20052006–2020SNDi of entire street network
MeshginshahrArdebil (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Meshginshahr plotted against Ardebil and Iran. The SNDi of new construction in Meshginshahr was at its lowest in 1976-1990, compared to Ardebil which followed a zig-zag trend with an overall decrease and Iran which rose steadily. Most recently, Meshginshahr's incremental SNDi rose from 3.22 to 3.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Meshginshahr ranked 2nd out of 4 cities in Ardebil and 111th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.38
Rank in Iran
87th of 169
Rank in Ardebil
3rd of 4

Entire Network (Aggregate)

SNDi value
3.28
Rank in Iran
111th of 169
Rank in Ardebil
2nd of 4

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
MeshginshahrShushFenggang

While Shush and Fenggang both built increasingly disconnected streets over time, Meshginshahr built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. Looking at the full network, Shush and Fenggang both became progressively more disconnected, while Meshginshahr became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Meshginshahr and Shush have been converging in their street-network character since 1975.