Pagsanjan in context: Street-network sprawl trends

Pagsanjan in context

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
PagsanjanLaguna (Region)Philippines (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pagsanjan plotted against Laguna and Philippines. While Laguna and Philippines both rose steadily, Pagsanjan's new street additions rose steadily. Most recently, Pagsanjan's incremental SNDi rose from 6.05 to 7.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pagsanjan ranked 2nd out of 5 cities in Laguna and 80th out of 114 in Philippines as of 2020.

New Street Additions (2006–2020)

SNDi value
7.95
Rank in Philippines
104th of 114
Rank in Laguna
5th of 5

Entire Network (Aggregate)

SNDi value
5.12
Rank in Philippines
80th of 114
Rank in Laguna
2nd of 5

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
PagsanjanSidi BennourLabuan Bajo

In new street additions, Pagsanjan built increasingly disconnected streets over time, while Sidi Bennour fluctuated in its street-construction patterns and Labuan Bajo built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Pagsanjan and Sidi Bennour both became progressively more disconnected, while Labuan Bajo became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Pagsanjan had a more connected network than Labuan Bajo in 1975 but the two have since reversed their relative ranking.