Phetchaburi in context: Street-network sprawl trends

Phetchaburi in context

45678<19751976–19901991–20052006–2020SNDi of street additions
45678<19751976–19901991–20052006–2020SNDi of entire street network
PhetchaburiThailand (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Phetchaburi plotted against Thailand. Both Phetchaburi and Thailand follow the same trend. Most recently, Phetchaburi's incremental SNDi rose from 5.59 to 7.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Phetchaburi ranked 25th out of 54 in Thailand as of 2020.

New Street Additions (2006–2020)

SNDi value
7.68
Rank in Thailand
45th of 54

Entire Network (Aggregate)

SNDi value
4.86
Rank in Thailand
25th of 54

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
PhetchaburiTeluk IntanOdintsovo

In new street additions, Phetchaburi built increasingly disconnected streets over time, while Teluk Intan fluctuated in its street-construction patterns and Odintsovo built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Phetchaburi and Teluk Intan have been growing further apart in their street-network character since 1975.