Củ Chi in context: Street-network sprawl trends

Cu Chi 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
Cu ChiHo Chi Minh (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Củ Chi plotted against Hồ Chí Minh and Vietnam. The SNDi of new construction in Củ Chi was at its lowest in 1976-1990, compared to Hồ Chí Minh which rose steadily and Vietnam which rose steadily. Most recently, Củ Chi's incremental SNDi rose from 4.17 to 5.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Củ Chi ranked 1st out of 2 cities in Hồ Chí Minh and 57th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
5.77
Rank in Vietnam
100th of 126
Rank in Hồ Chí Minh
2nd of 2

Entire Network (Aggregate)

SNDi value
4.21
Rank in Vietnam
57th of 126
Rank in Hồ Chí Minh
1st of 2

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

What about similarly populated cities?

46810<19751976–19901991–20052006–2020SNDi of street additions
46810<19751976–19901991–20052006–2020SNDi of entire street network
Cu ChiLumdingRustenburg

While Lumding and Rustenburg both built increasingly disconnected streets over time, Củ Chi built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. Looking at the full network, Lumding and Rustenburg both became progressively more disconnected, while Củ Chi became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Củ Chi had a more sprawly network than Rustenburg in 1975 but the two have since reversed their relative ranking.