Phù Yên in context: Street-network sprawl trends

Phu Yen in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
Phu YenSon La (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Phù Yên plotted against Sơn La and Vietnam. While Sơn La and Vietnam both rose steadily, Phù Yên's new street additions rose steadily. Most recently, Phù Yên's incremental SNDi rose from 4.24 to 4.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, Phù Yên ranked 1st out of 2 cities in Sơn La and 64th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
4.82
Rank in Vietnam
70th of 126
Rank in Sơn La
1st of 2

Entire Network (Aggregate)

SNDi value
4.26
Rank in Vietnam
64th of 126
Rank in Sơn La
1st of 2

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Phu YenAbharTaishun

In new street additions, Phù Yên built increasingly disconnected streets over time, while Abhar fluctuated in its street-construction patterns and Taishun built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Phù Yên became progressively more disconnected, while Abhar grew more disconnected from 1975 through 1976-1990, then improved and Taishun grew more disconnected from 1975 through 1991-2005, then improved. Phù Yên and Abhar have been growing further apart in their street-network character since 1975.