Valletta in context: Street-network sprawl trends

Valletta in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
VallettaXlokk (Region)Malta (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Valletta plotted against Xlokk and Malta. The SNDi of new construction in Valletta rose steadily, compared to Xlokk which rose steadily and Malta which peaked in 1991-2005. Most recently, Valletta's incremental SNDi rose from 3.52 to 3.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Valletta ranked 1st out of 1 cities in Xlokk and 1st out of 1 in Malta as of 2020.

New Street Additions (2006–2020)

SNDi value
3.52
Rank in Malta
1st of 1
Rank in Xlokk
1st of 1

Entire Network (Aggregate)

SNDi value
2.45
Rank in Malta
1st of 1
Rank in Xlokk
1st of 1

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

What about similarly populated cities?

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
VallettaQazvinMontpellier

In new street additions, Valletta and Qazvin both built increasingly disconnected streets over time, while Montpellier built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Valletta and Qazvin both became progressively more disconnected, while Montpellier grew more disconnected from 1975 through 1991-2005, then improved. Valletta and Qazvin have been growing further apart in their street-network character since 1975.