The level of street-network sprawl in new development in Hamadan was at its lowest in 1976-1990. To get a sense of how street development has changed in Hamadan, we can consider three of its most populous cities: Hamedan, Famenin and Malayer. Out of the three cities, Famenin does not follow the same trend as the region. The level of street-network sprawl in new development in Famenin was at its lowest in 1991-2005.

How do development practices in Hamadan fare in comparison to others in Iran? Most recently in 2006-2020, street construction in Hamadan was the 23rd-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 Hamadan has become more connected. Hamadan ranked 21st in 1975, 12th in 1976-1990, 18th in 1991-2005 and 23rd in 2006-2020.

As of 2020, the city with the most disconnected street network in Hamadan is Hamedan with an SNDi of 3.44, which is relatively sprawly. Conversely, the most connected city is Nahavand with an SNDi of 2.35, which is well-connected. See trends for these cities: Nahavand, Hamedan

The level of street-network sprawl in the aggregate network in Hamadan was at its lowest in 1976-1990. To get a sense of how the aggregate street network has changed in Hamadan, we can consider three of its most populous cities: Hamedan, Famenin and Malayer. Out of the three cities, Famenin and Malayer do not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Famenin was at its lowest in 1991-2005. The level of street-network sprawl in the aggregate network in Malayer was at its lowest in 1991-2005.

To date, Hamadan is the 21st-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has not changed. Hamadan ranked 21st in 1975, 19th in 1976-1990, 21st in 1991-2005 and 21st in 2006-2020.