Long Thành in context: Street-network sprawl trends

Long Thanh in context

4.555.56<19751976–19901991–20052006–2020SNDi of street additions
4.555.56<19751976–19901991–20052006–2020SNDi of entire street network
Long ThanhDong Nai (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Long Thành plotted against Đồng Nai and Vietnam. The SNDi of new construction in Long Thành was at its lowest in 1976-1990, compared to Đồng Nai which followed a zig-zag trend with an overall increase and Vietnam which rose steadily. Most recently, Long Thành's incremental SNDi rose from 4.85 to 5.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Long Thành ranked 5th out of 7 cities in Đồng Nai and 97th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
5.29
Rank in Vietnam
85th of 126
Rank in Đồng Nai
4th of 7

Entire Network (Aggregate)

SNDi value
4.99
Rank in Vietnam
97th of 126
Rank in Đồng Nai
5th of 7

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Long ThanhPhenharaReims

In new street additions, Long Thành built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Phenhara built increasingly disconnected streets over time and Reims built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Phenhara and Reims both became progressively more disconnected, while Long Thành became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Long Thành and Phenhara have been converging in their street-network character since 1975.