Póvoa de Varzim in context: Street-network sprawl trends

Povoa de Varzim 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
Povoa de VarzimPorto (Region)Portugal (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Póvoa de Varzim plotted against Porto and Portugal. While Porto and Portugal both rose steadily, Póvoa de Varzim's new street additions rose steadily. Most recently, Póvoa de Varzim's incremental SNDi rose from 2.99 to 3.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Póvoa de Varzim ranked 1st out of 2 cities in Porto and 1st out of 9 in Portugal as of 2020.

New Street Additions (2006–2020)

SNDi value
3.63
Rank in Portugal
7th of 9
Rank in Porto
1st of 2

Entire Network (Aggregate)

SNDi value
2.28
Rank in Portugal
1st of 9
Rank in Porto
1st of 2

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
Povoa de VarzimMokokchungHaidong

In new street additions, Póvoa de Varzim built increasingly disconnected streets over time, while Mokokchung built increasingly disconnected streets from 1975 through 1991-2005, then improved and Haidong fluctuated in its street-construction patterns. For the full network, Póvoa de Varzim and Mokokchung both became progressively more disconnected, while Haidong grew more disconnected from 1975 through 1976-1990, then improved. Póvoa de Varzim and Haidong have been converging in their street-network character since 1975.