Comparisons

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
QomGilanKordestan

Qom vs. the other two most closely populated regions in Iran: Gilan and Kordestan

Qom in context: Street-network sprawl of new development

The level of street-network sprawl in new development in Qom was at its lowest in 1976-1990. To get a sense of how street development has changed in Qom, we can consider two of its most populous cities: Qom and District 8. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Qom followed a zig-zag trend with an overall decrease. The level of street-network sprawl in new development in District 8 peaked in 1991-2005.

How do development practices in Qom fare in comparison to others in Iran? Most recently in 2006-2020, street construction in Qom was the 7th-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 Qom has become more disconnected. Qom ranked 12th in 1975, 7th in 1976-1990, 12th in 1991-2005 and 7th in 2006-2020.

Qom in context: Aggregate street-network sprawl

As of 2020, the city with the most disconnected street network in Qom is District 8 with an SNDi of 4.9, which is very sprawly. Conversely, the most connected city is Qom with an SNDi of 2.77, which is relatively well-connected. See trends for these cities: Qom, District 8

The level of street-network sprawl in the aggregate network in Qom was at its lowest in 1976-1990. To get a sense of how the aggregate street network has changed in Qom, we can consider two of its most populous cities: Qom and District 8. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Qom followed a zig-zag trend with an overall decrease. The level of street-network sprawl in the aggregate network in District 8 peaked in 1991-2005.

To date, Qom is the 11th-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 Qom has become more disconnected. Qom ranked 12th in 1975, 12th in 1976-1990, 10th in 1991-2005 and 11th in 2006-2020.