The level of street-network sprawl in new development in Lankaran followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Lankaran, we can consider three of its most populous cities: Lankaran, Cəlilabad and Astara. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Lankaran was at its lowest in 1976-1990. The level of street-network sprawl in new development in Cəlilabad was at its lowest in 1976-1990. The level of street-network sprawl in new development in Astara rose steadily.

As of 2020, the city with the most disconnected street network in Lankaran is Astara with an SNDi of 7.08, which is very sprawly. Conversely, the most connected city is Cəlilabad with an SNDi of 2.96, which is moderately connected. See trends for these cities: Cəlilabad, Astara

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