Đà Nẵng in context: Street-network sprawl trends

Da Nang in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Da NangVietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Đà Nẵng plotted against Vietnam. The SNDi of new construction in Đà Nẵng peaked in 1976-1990, while Vietnam rose steadily. Most recently, Đà Nẵng's incremental SNDi fell from 3.25 to 2.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Đà Nẵng ranked 12th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
2.72
Rank in Vietnam
5th of 126

Entire Network (Aggregate)

SNDi value
3.06
Rank in Vietnam
12th of 126

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Da NangMaiduguriBatam City

In new street additions, Đà Nẵng built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Maiduguri built increasingly connected streets over time and Batam City fluctuated in its street-construction patterns. For the full network, Đà Nẵng grew more disconnected from 1975 through 1991-2005, then improved, while Maiduguri became progressively more connected and Batam City fluctuated in connectivity. Đà Nẵng and Maiduguri have been growing further apart in their street-network character since 1975.