Vigevano in context: Street-network sprawl trends

Vigevano in context

2.83.23.64<19751976–19901991–20052006–2020SNDi of street additions
2.83.23.64<19751976–19901991–20052006–2020SNDi of entire street network
VigevanoLombardia (Region)Italy (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Vigevano plotted against Lombardia and Italy. While Lombardia and Italy both peaked in 1991-2005, Vigevano's new street additions peaked in 1991-2005. Most recently, Vigevano's incremental SNDi fell from 3.43 to 2.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Vigevano ranked 5th out of 11 cities in Lombardia and 53rd out of 88 in Italy as of 2020.

New Street Additions (2006–2020)

SNDi value
2.98
Rank in Italy
27th of 88
Rank in Lombardia
3rd of 11

Entire Network (Aggregate)

SNDi value
3.04
Rank in Italy
53rd of 88
Rank in Lombardia
5th of 11

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
VigevanoWutaiBirote

In new street additions, Vigevano built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Wutai fluctuated in its street-construction patterns and Birote built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Vigevano grew more disconnected from 1975 through 1991-2005, then improved, while Wutai fluctuated in connectivity and Birote became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Vigevano and Wutai have been converging in their street-network character since 1975.