Hat Yai in context: Street-network sprawl trends

Hat Yai in context

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
Hat YaiSongkhla (Region)Thailand (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hat Yai plotted against Songkhla and Thailand. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Hat Yai's incremental SNDi rose from 5.03 to 6.39 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hat Yai ranked 1st out of 2 cities in Songkhla and 20th out of 54 in Thailand as of 2020.

New Street Additions (2006–2020)

SNDi value
6.39
Rank in Thailand
21st of 54
Rank in Songkhla
1st of 2

Entire Network (Aggregate)

SNDi value
4.52
Rank in Thailand
20th of 54
Rank in Songkhla
1st of 2

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
Hat YaiBataYongkang

In new street additions, Hat Yai and Bata both built increasingly disconnected streets over time, while Yongkang fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Hat Yai and Yongkang have been growing further apart in their street-network character since 1975.