Porlamar in context: Street-network sprawl trends

Porlamar in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
PorlamarNueva Esparta (Region)Venezuela (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Porlamar plotted against Nueva Esparta and Venezuela. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Porlamar's incremental SNDi rose from 4.73 to 4.91 between 1991-2005 and 2006-2020. In terms of the aggregate network, Porlamar ranked 1st out of 1 cities in Nueva Esparta and 56th out of 70 in Venezuela as of 2020.

New Street Additions (2006–2020)

SNDi value
4.91
Rank in Venezuela
38th of 70
Rank in Nueva Esparta
1st of 1

Entire Network (Aggregate)

SNDi value
4.83
Rank in Venezuela
56th of 70
Rank in Nueva Esparta
1st of 1

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
PorlamarSongnimSihui

Porlamar, Songnim, and Sihui all fluctuated in its street-construction patterns in new street construction. Looking at the full network, Songnim and Sihui both became progressively more disconnected, while Porlamar fluctuated in connectivity. Porlamar and Songnim have been converging in their street-network character since 1975.