Hội An in context: Street-network sprawl trends
Hoi An in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hội An plotted against Quảng Nam and Vietnam. The SNDi of new construction in Hội An followed a zig-zag trend with an overall decrease, compared to Quảng Nam which was at its lowest in 1991-2005 and Vietnam which rose steadily. Most recently, Hội An's incremental SNDi rose from 3.93 to 3.96 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hội An ranked 2nd out of 2 cities in Quảng Nam and 55th out of 126 in Vietnam as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.96
- Rank in Vietnam
- 41st of 126
- Rank in Quảng Nam
- 2nd of 2
Entire Network (Aggregate)
- SNDi value
- 4.16
- Rank in Vietnam
- 55th of 126
- Rank in Quảng Nam
- 2nd of 2
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Hội An and Daming both fluctuated in its street-construction patterns, while Michika built increasingly disconnected streets over time. For the full network, Hội An grew more disconnected from 1975 through 1976-1990, then improved, while Daming fluctuated in connectivity and Michika became progressively more disconnected. Hội An and Michika have been converging in their street-network character since 1975.