Comparisons

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
MazandaranSistan and BaluchestanHamadan

Mazandaran vs. the other two most closely populated regions in Iran: Sistan and Baluchestan and Hamadan

Mazandaran in context: Street-network sprawl of new development

The level of street-network sprawl in new development in Mazandaran rose steadily. To get a sense of how street development has changed in Mazandaran, we can consider three of its most populous cities: Sari, Babol and Surak. Out of the three cities, Sari and Surak do not follow the same trend as the region. The level of street-network sprawl in new development in Sari peaked in 1991-2005. The level of street-network sprawl in new development in Surak was at its lowest in 1976-1990.

How do development practices in Mazandaran fare in comparison to others in Iran? Most recently in 2006-2020, street construction in Mazandaran was the 31st-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has not changed. Mazandaran ranked 31st in 1975, 31st in 1976-1990, 31st in 1991-2005 and 31st in 2006-2020.

Mazandaran in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in Mazandaran is Abbasabad with an SNDi of 8.01, which is very sprawly. Conversely, the most connected city is Sari with an SNDi of 5.07, which is very sprawly. See trends for these cities: Sari, Abbasabad

The level of street-network sprawl in the aggregate network in Mazandaran rose steadily. To get a sense of how the aggregate street network has changed in Mazandaran, we can consider three of its most populous cities: Sari, Babol and Surak. Out of the three cities, Surak does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Surak was at its lowest in 1976-1990.

To date, Mazandaran is the 31st-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has not changed. Mazandaran ranked 31st in 1975, 31st in 1976-1990, 31st in 1991-2005 and 31st in 2006-2020.