Gia Ray in context: Street-network sprawl trends

Gia Ray 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
Gia RayDong Nai (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gia Ray plotted against Đồng Nai and Vietnam. The SNDi of new construction in Gia Ray was at its lowest in 1991-2005, compared to Đồng Nai which followed a zig-zag trend with an overall increase and Vietnam which rose steadily. Most recently, Gia Ray's incremental SNDi rose from 3.86 to 5.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gia Ray ranked 3rd out of 7 cities in Đồng Nai and 78th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
5.64
Rank in Vietnam
96th of 126
Rank in Đồng Nai
5th of 7

Entire Network (Aggregate)

SNDi value
4.6
Rank in Vietnam
78th of 126
Rank in Đồng Nai
3rd of 7

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Gia RayAzilalSanta Rosa de Cabal

In new street additions, Azilal and Santa Rosa de Cabal both fluctuated in street-construction patterns, while Gia Ray built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Gia Ray became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Azilal fluctuated in connectivity and Santa Rosa de Cabal became progressively more disconnected. Gia Ray and Azilal have been converging in their street-network character since 1975.