Lido di Ostia in context: Street-network sprawl trends

Lido di Ostia in context

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
Lido di OstiaLazio (Region)Italy (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lido di Ostia plotted against Lazio and Italy. The SNDi of new construction in Lido di Ostia peaked in 1976-1990, compared to Lazio which rose steadily and Italy which peaked in 1991-2005. Most recently, Lido di Ostia's incremental SNDi fell from 4.27 to 1.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lido di Ostia ranked 1st out of 7 cities in Lazio and 34th out of 88 in Italy as of 2020.

New Street Additions (2006–2020)

SNDi value
1.93
Rank in Italy
1st of 88
Rank in Lazio
1st of 7

Entire Network (Aggregate)

SNDi value
2.51
Rank in Italy
34th of 88
Rank in Lazio
1st of 7

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
Lido di OstiaLamonganUm Dukhan

In new street additions, Lido di Ostia built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Lamongan fluctuated in its street-construction patterns and Um Dukhan fluctuated in its street-construction patterns. For the full network, Lido di Ostia grew more disconnected from 1975 through 1991-2005, then improved, while Lamongan became progressively more disconnected and Um Dukhan fluctuated in connectivity. Lido di Ostia and Lamongan have been growing further apart in their street-network character since 1975.