Marivan in context: Street-network sprawl trends

Marivan in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
MarivanKordestan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Marivan plotted against Kordestan and Iran. The SNDi of new construction in Marivan followed a zig-zag trend with an overall increase, compared to Kordestan which rose steadily and Iran which rose steadily. Most recently, Marivan's incremental SNDi rose from 2.15 to 2.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Marivan ranked 2nd out of 4 cities in Kordestan and 40th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
2.92
Rank in Iran
55th of 169
Rank in Kordestan
2nd of 4

Entire Network (Aggregate)

SNDi value
2.48
Rank in Iran
40th of 169
Rank in Kordestan
2nd of 4

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
MarivanGuelmimJoypurhat

In new street additions, Marivan fluctuated in its street-construction patterns, while Guelmim built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Joypurhat fluctuated in its street-construction patterns. For the full network, Marivan became progressively more disconnected, while Guelmim became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Joypurhat fluctuated in connectivity. Marivan and Guelmim have been growing further apart in their street-network character since 1975.