Angeles in context: Street-network sprawl trends

Angeles in context

4.85.66.47.2<19751976–19901991–20052006–2020SNDi of street additions
4.85.66.47.2<19751976–19901991–20052006–2020SNDi of entire street network
AngelesPampanga (Region)Philippines (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Angeles plotted against Pampanga and Philippines. The SNDi of new construction in Angeles followed a zig-zag trend with an overall increase, compared to Pampanga which followed a zig-zag trend with an overall increase and Philippines which rose steadily. Most recently, Angeles's incremental SNDi rose from 5.33 to 6.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Angeles ranked 2nd out of 4 cities in Pampanga and 88th out of 114 in Philippines as of 2020.

New Street Additions (2006–2020)

SNDi value
6.1
Rank in Philippines
70th of 114
Rank in Pampanga
2nd of 4

Entire Network (Aggregate)

SNDi value
5.35
Rank in Philippines
88th of 114
Rank in Pampanga
2nd of 4

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
AngelesSan AntonioCalgary

In new street additions, Angeles fluctuated in its street-construction patterns, while San Antonio built increasingly disconnected streets over time and Calgary built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.