Reggio Calabria in context: Street-network sprawl trends

Reggio Calabria in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Reggio CalabriaCalabria (Region)Italy (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Reggio Calabria plotted against Calabria and Italy. The SNDi of new construction in Reggio Calabria peaked in 1976-1990, compared to Calabria which rose steadily and Italy which peaked in 1991-2005. Most recently, Reggio Calabria's incremental SNDi fell from 6.27 to 5.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Reggio Calabria ranked 2nd out of 2 cities in Calabria and 82nd out of 88 in Italy as of 2020.

New Street Additions (2006–2020)

SNDi value
5.11
Rank in Italy
77th of 88
Rank in Calabria
2nd of 2

Entire Network (Aggregate)

SNDi value
3.65
Rank in Italy
82nd of 88
Rank in Calabria
2nd of 2

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
Reggio CalabriaGandaNembe

While Ganda and Nembe both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Reggio Calabria built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. For the full network, Reggio Calabria and Ganda both became progressively more disconnected, while Nembe grew more disconnected from 1975 through 1991-2005, then improved. Reggio Calabria and Ganda have been converging in their street-network character since 1975.