Ipil in context: Street-network sprawl trends

Ipil in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
IpilZamboanga Sibugay (Region)Philippines (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ipil plotted against Zamboanga Sibugay and Philippines. The SNDi of new construction in Ipil was at its lowest in 1991-2005, compared to Zamboanga Sibugay which was at its lowest in 1991-2005 and Philippines which rose steadily. Most recently, Ipil's incremental SNDi rose from 3.23 to 5.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ipil ranked 1st out of 1 cities in Zamboanga Sibugay and 33rd out of 114 in Philippines as of 2020.

New Street Additions (2006–2020)

SNDi value
5.2
Rank in Philippines
35th of 114
Rank in Zamboanga Sibugay
1st of 1

Entire Network (Aggregate)

SNDi value
4.17
Rank in Philippines
33rd of 114
Rank in Zamboanga Sibugay
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
IpilMontemorelosCompostela

In new street additions, Ipil built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Montemorelos built increasingly disconnected streets from 1975 through 1991-2005, then improved and Compostela built increasingly disconnected streets over time. Looking at the full network, Montemorelos and Compostela both became progressively more disconnected, while Ipil became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Ipil and Montemorelos have been converging in their street-network character since 1975.