Quy Nhơn in context: Street-network sprawl trends

Quy Nhon in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
Quy NhonBinh Dinh (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Quy Nhơn plotted against Bình Định and Vietnam. The SNDi of new construction in Quy Nhơn peaked in 1976-1990, compared to Bình Định which was at its lowest in 1976-1990 and Vietnam which rose steadily. Most recently, Quy Nhơn's incremental SNDi fell from 5.05 to 3.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Quy Nhơn ranked 1st out of 1 cities in Bình Định and 75th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
3.85
Rank in Vietnam
35th of 126
Rank in Bình Định
1st of 1

Entire Network (Aggregate)

SNDi value
4.59
Rank in Vietnam
75th of 126
Rank in Bình Định
1st of 1

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Quy NhonMenongueYangkou

In new street additions, Quy Nhơn built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Menongue built increasingly disconnected streets from 1975 through 1991-2005, then improved and Yangkou fluctuated in its street-construction patterns. For the full network, Quy Nhơn and Menongue both grew more disconnected from 1975 through 1991-2005, then improved, while Yangkou fluctuated in connectivity. Quy Nhơn and Menongue have been growing further apart in their street-network character since 1975.