MohammadAbad-e Rigan in context: Street-network sprawl trends

MohammadAbad-e Rigan in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
MohammadAbad-e RiganKerman (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with MohammadAbad-e Rigan plotted against Kerman and Iran. The SNDi of new construction in MohammadAbad-e Rigan was at its lowest in 1991-2005, compared to Kerman which fell steadily and Iran which rose steadily. Most recently, MohammadAbad-e Rigan's incremental SNDi rose from 1.37 to 3.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, MohammadAbad-e Rigan ranked 9th out of 14 cities in Kerman and 70th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.82
Rank in Iran
119th of 169
Rank in Kerman
14th of 14

Entire Network (Aggregate)

SNDi value
2.83
Rank in Iran
70th of 169
Rank in Kerman
9th of 14

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

What about similarly populated cities?

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
MohammadAbad-e RiganGopalganjCiudad del Carmen

In new street additions, MohammadAbad-e Rigan built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Gopalganj fluctuated in its street-construction patterns and Ciudad del Carmen fluctuated in its street-construction patterns. Looking at the full network, Gopalganj and Ciudad del Carmen both became progressively more disconnected, while MohammadAbad-e Rigan became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, MohammadAbad-e Rigan had a more sprawly network than Ciudad del Carmen in 1975 but the two have since reversed their relative ranking.