Naga in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Naga plotted against Camarines Sur and Philippines. The SNDi of new construction in Naga was at its lowest in 1976-1990, compared to Camarines Sur which was at its lowest in 1976-1990 and Philippines which rose steadily. Most recently, Naga's incremental SNDi rose from 4.97 to 5.53 between 1991-2005 and 2006-2020. In terms of the aggregate network, Naga ranked 4th out of 4 cities in Camarines Sur and 73rd out of 114 in Philippines as of 2020.

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

What about similarly populated cities?

• Pokhariya, Nepal
• Cascavel, Brazil
• Satkhira, Bangladesh
• Nagano, Japan
• Yongcheng, China
• Chaohu, China

In new street additions, Naga built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Pokhariya built increasingly disconnected streets from 1975 through 1976-1990, then improved and Nagano fluctuated in its street-construction patterns. For the full network, Naga became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Pokhariya grew more disconnected from 1975 through 1976-1990, then improved and Nagano became progressively more disconnected.