The level of street-network sprawl in new development in Islands followed a zig-zag trend with an overall decrease. To get a sense of how street development has changed in Islands, we can consider one of its most populous cities: Tung Chung. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Tung Chung followed a zig-zag trend.

How do development practices in Islands fare in comparison to others in Hong Kong? Most recently in 2006-2020, street construction in Islands was the 3rd-most disconnected out of the 6 regions in Hong Kong. Its position in the ranks since 1975 has risen; relative to other regions in Hong Kong, street construction in Islands has become more disconnected. Islands ranked 6th in 1975, 6th in 1976-1990, 1st in 1991-2005 and 3rd in 2006-2020.

As of 2020, the city with the most disconnected street network in Islands is Tung Chung with an SNDi of 2.88, which is moderately connected. Conversely, the most connected city is Tung Chung with an SNDi of 2.88, which is moderately connected. See trends for these cities: Tung Chung, Tung Chung

The level of street-network sprawl in the aggregate network in Islands followed a zig-zag trend with an overall decrease. To get a sense of how the aggregate street network has changed in Islands, we can consider one of its most populous cities: Tung Chung. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Tung Chung followed a zig-zag trend.

To date, Islands is the 3rd-most disconnected out of the 6 regions in Hong Kong. Its position in the ranks since 1975 has risen; relative to other regions in Hong Kong, the street network in Islands has become more disconnected. Islands ranked 6th in 1975, 6th in 1976-1990, 3rd in 1991-2005 and 3rd in 2006-2020.