Calbayog in context: Street-network sprawl trends
Calbayog in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Calbayog plotted against Samar and Philippines. The SNDi of new construction in Calbayog peaked in 1991-2005, compared to Samar which peaked in 1976-1990 and Philippines which rose steadily. Most recently, Calbayog's incremental SNDi fell from 5.49 to 3.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Calbayog ranked 2nd out of 2 cities in Samar and 15th out of 114 in Philippines as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.93
- Rank in Philippines
- 4th of 114
- Rank in Samar
- 1st of 2
Entire Network (Aggregate)
- SNDi value
- 3.71
- Rank in Philippines
- 15th of 114
- Rank in Samar
- 2nd of 2
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Calbayog and Kandiaro both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Castelldefels fluctuated in its street-construction patterns. For the full network, Calbayog and Castelldefels both became progressively more disconnected, while Kandiaro grew more disconnected from 1975 through 1991-2005, then improved. Notably, Calbayog had a more connected network than Kandiaro in 1975 but the two have since reversed their relative ranking.