Bamban in context: Street-network sprawl trends

Bamban in context

4.55.46.37.2<19751976–19901991–20052006–2020SNDi of street additions
4.55.46.37.2<19751976–19901991–20052006–2020SNDi of entire street network
BambanTarlac (Region)Philippines (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bamban plotted against Tarlac and Philippines. The SNDi of new construction in Bamban peaked in 1976-1990, compared to Tarlac which followed a zig-zag trend with an overall increase and Philippines which rose steadily. Most recently, Bamban's incremental SNDi fell from 5.06 to 4.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bamban ranked 1st out of 3 cities in Tarlac and 57th out of 114 in Philippines as of 2020.

New Street Additions (2006–2020)

SNDi value
4.33
Rank in Philippines
9th of 114
Rank in Tarlac
1st of 3

Entire Network (Aggregate)

SNDi value
4.77
Rank in Philippines
57th of 114
Rank in Tarlac
1st of 3

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
BambanHuaningFreiburg im Uechtland

Bamban, Huaning, and Freiburg im Üechtland all built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street construction. For the full network, Bamban and Huaning both grew more disconnected from 1975 through 1991-2005, then improved, while Freiburg im Üechtland became progressively more disconnected.