Sa Đéc in context: Street-network sprawl trends

Sa Dec 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
Sa DecDong Thap (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sa Đéc plotted against Đồng Tháp and Vietnam. While Đồng Tháp and Vietnam both rose steadily, Sa Đéc's new street additions rose steadily. Most recently, Sa Đéc's incremental SNDi rose from 4.76 to 4.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sa Đéc ranked 2nd out of 3 cities in Đồng Tháp and 77th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
4.77
Rank in Vietnam
66th of 126
Rank in Đồng Tháp
2nd of 3

Entire Network (Aggregate)

SNDi value
4.6
Rank in Vietnam
77th of 126
Rank in Đồng Tháp
2nd of 3

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Sa DecLakelandNingyuan

In new street additions, Sa Đéc and Lakeland both built increasingly disconnected streets over time, while Ningyuan built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Sa Đéc and Lakeland both became progressively more disconnected, while Ningyuan grew more disconnected from 1975 through 1976-1990, then improved. Notably, Sa Đéc had a more connected network than Ningyuan in 1975 but the two have since reversed their relative ranking.