Cannes in context: Street-network sprawl trends

Cannes in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
CannesProvence-Alpes-Cote d'Azur (Region)France (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cannes plotted against Provence-Alpes-Côte d'Azur and France. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Cannes's incremental SNDi fell from 6.27 to 5.96 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cannes ranked 4th out of 7 cities in Provence-Alpes-Côte d'Azur and 69th out of 73 in France as of 2020.

New Street Additions (2006–2020)

SNDi value
5.96
Rank in France
68th of 73
Rank in Provence-Alpes-Côte d'Azur
4th of 7

Entire Network (Aggregate)

SNDi value
3.85
Rank in France
69th of 73
Rank in Provence-Alpes-Côte d'Azur
4th of 7

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
CannesXinchangPengzhou

In new street additions, Cannes and Xinchang both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Pengzhou built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Cannes and Xinchang have been converging in their street-network character since 1975.