Gumaca in context: Street-network sprawl trends

Gumaca in context

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
GumacaQuezon (Region)Philippines (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gumaca plotted against Quezon and Philippines. The SNDi of new construction in Gumaca peaked in 1991-2005, compared to Quezon which rose steadily and Philippines which rose steadily. Most recently, Gumaca's incremental SNDi fell from 5.54 to 4.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gumaca ranked 2nd out of 5 cities in Quezon and 19th out of 114 in Philippines as of 2020.

New Street Additions (2006–2020)

SNDi value
4.85
Rank in Philippines
24th of 114
Rank in Quezon
1st of 5

Entire Network (Aggregate)

SNDi value
3.82
Rank in Philippines
19th of 114
Rank in Quezon
2nd of 5

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
GumacaKasunguAl Qaramus

In new street additions, Gumaca and Al Qaramus both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Kasungu built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Notably, Gumaca had a more connected network than Al Qaramus in 1975 but the two have since reversed their relative ranking.