Neuchâtel in context: Street-network sprawl trends

Neuchatel in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
NeuchatelSwitzerland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Neuchâtel plotted against Switzerland. The SNDi of new construction in Neuchâtel peaked in 1976-1990, while Switzerland rose steadily. Most recently, Neuchâtel's incremental SNDi fell from 2.76 to 2.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Neuchâtel ranked 6th out of 17 in Switzerland as of 2020.

New Street Additions (2006–2020)

SNDi value
2.11
Rank in Switzerland
1st of 17

Entire Network (Aggregate)

SNDi value
1.93
Rank in Switzerland
6th of 17

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

What about similarly populated cities?

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
NeuchatelRa's TannurahEskilstuna

In new street additions, Neuchâtel and Eskilstuna both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Ra's Tannurah built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Neuchâtel and Ra's Tannurah have been growing further apart in their street-network character since 1975.