The level of street-network sprawl in new development in Gilan rose steadily. To get a sense of how street development has changed in Gilan, we can consider three of its most populous cities: Rasht, Lahijan and Bandar-e Anzali. Out of the three cities, Lahijan does not follow the same trend as the region. The level of street-network sprawl in new development in Lahijan was at its lowest in 1976-1990.

As of 2020, the city with the most disconnected street network in Gilan is Rasht with an SNDi of 4.56, which is sprawly. Conversely, the most connected city is Lahijan with an SNDi of 2.6, which is relatively well-connected. See trends for these cities: Lahijan, Rasht

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