Comparisons
Ardebil vs. the other two most closely populated regions in Iran: Lorestan and Kermanshah
Ardebil in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Ardebil followed a zig-zag trend with an overall decrease. To get a sense of how street development has changed in Ardebil, we can consider three of its most populous cities: Ardabil, Sareyn and Parsabad. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Ardabil was at its lowest in 1976-1990. The level of street-network sprawl in new development in Sareyn was at its lowest in 1976-1990. The level of street-network sprawl in new development in Parsabad rose steadily.
How do development practices in Ardebil fare in comparison to others in Iran? Most recently in 2006-2020, street construction in Ardebil was the 4th-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 Ardebil has become more disconnected. Ardebil ranked 13th in 1975, 16th in 1976-1990, 9th in 1991-2005 and 4th in 2006-2020.
Ardebil in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Ardebil is Sareyn with an SNDi of 3.48, which is relatively sprawly. Conversely, the most connected city is Ardabil with an SNDi of 2.4, which is well-connected. See trends for these cities: Ardabil, Sareyn
The level of street-network sprawl in the aggregate network in Ardebil followed a zig-zag trend with an overall decrease. To get a sense of how the aggregate street network has changed in Ardebil, we can consider three of its most populous cities: Ardabil, Sareyn and Parsabad. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Ardabil fell steadily. The level of street-network sprawl in the aggregate network in Sareyn fell steadily. The level of street-network sprawl in the aggregate network in Parsabad rose steadily.
To date, Ardebil is the 9th-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 Ardebil has become more disconnected. Ardebil ranked 13th in 1975, 13th in 1976-1990, 9th in 1991-2005 and 9th in 2006-2020.