Cẩm Phả in context: Street-network sprawl trends

Cam Pha in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Cam PhaQuang Ninh (Region)Vietnam (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cẩm Phả plotted against Quảng Ninh and Vietnam. The SNDi of new construction in Cẩm Phả peaked in 1976-1990, compared to Quảng Ninh which rose steadily and Vietnam which rose steadily. Most recently, Cẩm Phả's incremental SNDi fell from 3.74 to 2.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cẩm Phả ranked 1st out of 5 cities in Quảng Ninh and 7th out of 126 in Vietnam as of 2020.

New Street Additions (2006–2020)

SNDi value
2.66
Rank in Vietnam
4th of 126
Rank in Quảng Ninh
1st of 5

Entire Network (Aggregate)

SNDi value
3.01
Rank in Vietnam
7th of 126
Rank in Quảng Ninh
1st of 5

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Cam PhaBerrechidHayy as Salihiyah

In new street additions, Cẩm Phả built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Berrechid built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Hayy as Salihiyah built increasingly disconnected streets over time. For the full network, Cẩm Phả grew more disconnected from 1975 through 1991-2005, then improved, while Berrechid became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Hayy as Salihiyah became progressively more disconnected. Notably, Cẩm Phả had a more connected network than Hayy as Salihiyah in 1975 but the two have since reversed their relative ranking.