The level of street-network sprawl in new development in Istanbul followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Istanbul, we can consider three of its most populous cities: Istanbul, Arnavutköy and Silivri. Out of the three cities, Arnavutköy does not follow the same trend as the region. The level of street-network sprawl in new development in Arnavutköy rose steadily.

As of 2020, the city with the most disconnected street network in Istanbul is Silivri with an SNDi of 2.36, which is well-connected. Conversely, the most connected city is Arnavutköy with an SNDi of 1.88, which is very well-connected. See trends for these cities: Arnavutköy, Silivri

The level of street-network sprawl in the aggregate network in Istanbul rose steadily. To get a sense of how the aggregate street network has changed in Istanbul, we can consider three of its most populous cities: Istanbul, Arnavutköy and Silivri. Disconnectivity in the most populous cities in Istanbul follow the same region trend.