Nice in context: Street-network sprawl trends

Nice in context

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
NiceProvence-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 Nice 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, Nice's incremental SNDi fell from 8.9 to 7.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nice ranked 6th out of 7 cities in Provence-Alpes-Côte d'Azur and 72nd out of 73 in France as of 2020.

New Street Additions (2006–2020)

SNDi value
7.49
Rank in France
73rd of 73
Rank in Provence-Alpes-Côte d'Azur
7th of 7

Entire Network (Aggregate)

SNDi value
4.53
Rank in France
72nd of 73
Rank in Provence-Alpes-Côte d'Azur
6th of 7

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
NiceCanningBelfast

In new street additions, Nice and Belfast both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Canning built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Nice and Belfast both became progressively more disconnected, while Canning became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Nice and Canning have been converging in their street-network character since 1975.