The level of street-network sprawl in new development in Lorestan rose steadily. To get a sense of how street development has changed in Lorestan, we can consider three of its most populous cities: Khorramabad, Borujerd and Kuhdasht. Disconnectivity in the most populous cities in Lorestan follow the same region trend.

How do development practices in Lorestan fare in comparison to others in Iran? Most recently in 2006-2020, street construction in Lorestan was the 15th-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has fallen; relative to other regions in Iran, street construction in Lorestan has become more connected. Lorestan ranked 4th in 1975, 6th in 1976-1990, 13th in 1991-2005 and 15th in 2006-2020.

As of 2020, the city with the most disconnected street network in Lorestan is Khorramabad with an SNDi of 2.83, which is relatively well-connected. Conversely, the most connected city is Nurabad with an SNDi of 1.92, which is very well-connected. See trends for these cities: Nurabad, Khorramabad

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

To date, Lorestan is the 7th-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has fallen; relative to other regions in Iran, the street network in Lorestan has become more connected. Lorestan ranked 4th in 1975, 3rd in 1976-1990, 6th in 1991-2005 and 7th in 2006-2020.