Livorno in context: Street-network sprawl trends

Livorno in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
LivornoToscana (Region)Italy (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Livorno plotted against Toscana and Italy. While Toscana and Italy both peaked in 1991-2005, Livorno's new street additions peaked in 1991-2005. Most recently, Livorno's incremental SNDi fell from 2.87 to 2.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Livorno ranked 1st out of 7 cities in Toscana and 14th out of 88 in Italy as of 2020.

New Street Additions (2006–2020)

SNDi value
2.72
Rank in Italy
15th of 88
Rank in Toscana
2nd of 7

Entire Network (Aggregate)

SNDi value
2.08
Rank in Italy
14th of 88
Rank in Toscana
1st of 7

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
LivornoChopdaGondal

In new street additions, Livorno built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Chopda fluctuated in its street-construction patterns and Gondal built increasingly disconnected streets over time. For the full network, Livorno and Gondal both became progressively more disconnected, while Chopda became progressively more connected. Notably, Livorno had a more sprawly network than Gondal in 1975 but the two have since reversed their relative ranking.