Funan in context: Street-network sprawl trends

Funan in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
FunanAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Funan plotted against Anhui and China. The SNDi of new construction in Funan peaked in 1991-2005, compared to Anhui which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Funan's incremental SNDi fell from 2.44 to 1.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Funan ranked 8th out of 74 cities in Anhui and 76th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.59
Rank in China
91st of 1843
Rank in Anhui
10th of 74

Entire Network (Aggregate)

SNDi value
1.65
Rank in China
76th of 1843
Rank in Anhui
8th of 74

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
FunanTessaouaAnfu

In new street additions, Funan built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Tessaoua fluctuated in its street-construction patterns and Anfu built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Funan grew more disconnected from 1975 through 1991-2005, then improved, while Tessaoua became progressively more disconnected and Anfu grew more disconnected from 1975 through 1976-1990, then improved. Notably, Funan had a more connected network than Tessaoua in 1975 but the two have since reversed their relative ranking.