Long Xuyên in context: Street-network sprawl trends

Long Xuyen in context

3.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
3.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
Long XuyenAn Giang (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Long Xuyên plotted against An Giang and Vietnam. The SNDi of new construction in Long Xuyên peaked in 1991-2005, compared to An Giang which peaked in 1991-2005 and Vietnam which rose steadily. Most recently, Long Xuyên's incremental SNDi fell from 6.33 to 6.02 between 1991-2005 and 2006-2020. In terms of the aggregate network, Long Xuyên ranked 2nd out of 7 cities in An Giang and 112th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
6.02
Rank in Vietnam
105th of 126
Rank in An Giang
2nd of 7

Entire Network (Aggregate)

SNDi value
5.91
Rank in Vietnam
112th of 126
Rank in An Giang
2nd of 7

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Long XuyenAmbalaSfax

In new street additions, Long Xuyên built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Ambala fluctuated in its street-construction patterns and Sfax built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Long Xuyên and Ambala both became progressively more disconnected, while Sfax grew more disconnected from 1975 through 1976-1990, then improved. Notably, Long Xuyên had a more connected network than Sfax in 1975 but the two have since reversed their relative ranking.