Comparisons
Sistan and Baluchestan vs. the other two most closely populated regions in Iran: Mazandaran and Hamadan
Sistan and Baluchestan in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Sistan and Baluchestan was at its lowest in 1991-2005. To get a sense of how street development has changed in Sistan and Baluchestan, we can consider three of its most populous cities: Zahedan, Golmorti and Chabahar. Out of the three cities, Zahedan and Golmorti do not follow the same trend as the region. The level of street-network sprawl in new development in Zahedan was at its lowest in 1976-1990. The level of street-network sprawl in new development in Golmorti was at its lowest in 1976-1990.
How do development practices in Sistan and Baluchestan fare in comparison to others in Iran? Most recently in 2006-2020, street construction in Sistan and Baluchestan was the 16th-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has risen; relative to other regions in Iran, street construction in Sistan and Baluchestan has become more disconnected. Sistan and Baluchestan ranked 17th in 1975, 13th in 1976-1990, 10th in 1991-2005 and 16th in 2006-2020.
Sistan and Baluchestan in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Sistan and Baluchestan is Zabol with an SNDi of 3.42, which is relatively sprawly. Conversely, the most connected city is Khash with an SNDi of 2.33, which is well-connected. See trends for these cities: Khash, Zabol
The level of street-network sprawl in the aggregate network in Sistan and Baluchestan was at its lowest in 1991-2005. To get a sense of how the aggregate street network has changed in Sistan and Baluchestan, we can consider three of its most populous cities: Zahedan, Golmorti and Chabahar. Out of the three cities, Zahedan and Chabahar do not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Zahedan fell steadily. The level of street-network sprawl in the aggregate network in Chabahar fell steadily.
To date, Sistan and Baluchestan is the 16th-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has risen; relative to other regions in Iran, the street network in Sistan and Baluchestan has become more disconnected. Sistan and Baluchestan ranked 17th in 1975, 17th in 1976-1990, 16th in 1991-2005 and 16th in 2006-2020.