Pau in context: Street-network sprawl trends

Pau in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
PauNouvelle-Aquitaine (Region)France (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pau plotted against Nouvelle-Aquitaine and France. The SNDi of new construction in Pau peaked in 1976-1990, compared to Nouvelle-Aquitaine which rose steadily and France which peaked in 1991-2005. Most recently, Pau's incremental SNDi fell from 2.97 to 2.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pau ranked 4th out of 7 cities in Nouvelle-Aquitaine and 30th out of 73 in France as of 2020.

New Street Additions (2006–2020)

SNDi value
2.63
Rank in France
13th of 73
Rank in Nouvelle-Aquitaine
2nd of 7

Entire Network (Aggregate)

SNDi value
2.43
Rank in France
30th of 73
Rank in Nouvelle-Aquitaine
4th of 7

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
PauKotkapuraLaem Chabang

In new street additions, Pau built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kotkapura built increasingly disconnected streets from 1975 through 1991-2005, then improved and Laem Chabang built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Pau and Kotkapura have been growing further apart in their street-network character since 1975.