Surat Thani in context: Street-network sprawl trends

Surat Thani in context

5678<19751976–19901991–20052006–2020SNDi of street additions
5678<19751976–19901991–20052006–2020SNDi of entire street network
Surat ThaniThailand (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Surat Thani plotted against Thailand. Both Surat Thani and Thailand follow the same trend. Most recently, Surat Thani's incremental SNDi rose from 6.47 to 7.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Surat Thani ranked 46th out of 54 in Thailand as of 2020.

New Street Additions (2006–2020)

SNDi value
7.6
Rank in Thailand
44th of 54

Entire Network (Aggregate)

SNDi value
5.84
Rank in Thailand
46th 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
Surat ThaniSan Pedro CarchaKaele

In new street additions, Surat Thani and Kaélé both built increasingly disconnected streets over time, while San Pedro Carchá fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Notably, Surat Thani had a more sprawly network than San Pedro Carchá in 1975 but the two have since reversed their relative ranking.