Cartagena in context: Street-network sprawl trends

Cartagena in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
CartagenaRegion de Murcia (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cartagena plotted against Región de Murcia and Spain. The SNDi of new construction in Cartagena followed a zig-zag trend with an overall increase, compared to Región de Murcia which rose steadily and Spain which peaked in 1976-1990. Most recently, Cartagena's incremental SNDi rose from 1.94 to 1.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cartagena ranked 1st out of 2 cities in Región de Murcia and 29th out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.97
Rank in Spain
31st of 85
Rank in Región de Murcia
1st of 2

Entire Network (Aggregate)

SNDi value
1.72
Rank in Spain
29th of 85
Rank in Región de Murcia
1st of 2

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
CartagenaSri KalahastiMolepolole

In new street additions, Cartagena and Sri Kalahasti both fluctuated in its street-construction patterns, while Molepolole built increasingly disconnected streets over time. For the full network, Cartagena and Molepolole both became progressively more disconnected, while Sri Kalahasti fluctuated in connectivity. Cartagena and Sri Kalahasti have been growing further apart in their street-network character since 1975.