Nouméa in context: Street-network sprawl trends

Noumea in context

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
NoumeaSud (Region)New Caledonia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nouméa plotted against Sud and New Caledonia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Nouméa's incremental SNDi fell from 4.75 to 3.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nouméa ranked 1st out of 1 cities in Sud and 1st out of 1 in New Caledonia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.65
Rank in New Caledonia
1st of 1
Rank in Sud
1st of 1

Entire Network (Aggregate)

SNDi value
4.04
Rank in New Caledonia
1st of 1
Rank in Sud
1st of 1

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
NoumeaQiheManavgat

In new street additions, Nouméa and Qihe both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Manavgat fluctuated in street-construction patterns. For the full network, Nouméa grew more disconnected from 1975 through 1991-2005, then improved, while Qihe became progressively more disconnected and Manavgat fluctuated in connectivity.