Việt Trì in context: Street-network sprawl trends

Viet Tri in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
Viet TriPhu Tho (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Việt Trì plotted against Phú Thọ and Vietnam. The SNDi of new construction in Việt Trì peaked in 1991-2005, compared to Phú Thọ which was at its lowest in 1976-1990 and Vietnam which rose steadily. Most recently, Việt Trì's incremental SNDi fell from 3.66 to 3.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Việt Trì ranked 1st out of 1 cities in Phú Thọ and 26th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
3.12
Rank in Vietnam
19th of 126
Rank in Phú Thọ
1st of 1

Entire Network (Aggregate)

SNDi value
3.35
Rank in Vietnam
26th of 126
Rank in Phú Thọ
1st of 1

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
Viet TriBiak KotaKakdwip

In new street additions, Việt Trì built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Biak Kota built increasingly disconnected streets over time and Kakdwip built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Việt Trì grew more disconnected from 1975 through 1991-2005, then improved, while Biak Kota became progressively more disconnected and Kakdwip became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Việt Trì and Biak Kota have been converging in their street-network character since 1975.