Đông Hà in context: Street-network sprawl trends

Dong Ha in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Dong HaQuang Tri (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Đông Hà plotted against Quảng Trị and Vietnam. The SNDi of new construction in Đông Hà peaked in 1991-2005, compared to Quảng Trị which followed a zig-zag trend with an overall decrease and Vietnam which rose steadily. Most recently, Đông Hà's incremental SNDi fell from 3.16 to 2.96 between 1991-2005 and 2006-2020. In terms of the aggregate network, Đông Hà ranked 1st out of 1 cities in Quảng Trị and 11th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
2.96
Rank in Vietnam
14th of 126
Rank in Quảng Trị
1st of 1

Entire Network (Aggregate)

SNDi value
3.05
Rank in Vietnam
11th of 126
Rank in Quảng Trị
1st of 1

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
Dong HaKidapawanMandi Dabwali

In new street additions, Đông Hà built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Kidapawan built increasingly disconnected streets over time and Mandi Dabwali fluctuated in its street-construction patterns. Looking at the full network, Kidapawan and Mandi Dabwali both became progressively more disconnected, while Đông Hà grew more disconnected from 1975 through 1991-2005, then improved. Đông Hà and Kidapawan have been growing further apart in their street-network character since 1975.