Phra Nakhon Si Ayutthaya in context: Street-network sprawl trends

Phra Nakhon Si Ayutthaya in context

45678<19751976–19901991–20052006–2020SNDi of street additions
45678<19751976–19901991–20052006–2020SNDi of entire street network
Phra Nakhon Si AyutthayaThailand (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Phra Nakhon Si Ayutthaya plotted against Thailand. Both Phra Nakhon Si Ayutthaya and Thailand follow the same trend. Most recently, Phra Nakhon Si Ayutthaya's incremental SNDi rose from 5.97 to 8.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Phra Nakhon Si Ayutthaya ranked 50th out of 54 in Thailand as of 2020.

New Street Additions (2006–2020)

SNDi value
8.31
Rank in Thailand
49th of 54

Entire Network (Aggregate)

SNDi value
6.53
Rank in Thailand
50th of 54

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

What about similarly populated cities?

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
Phra Nakhon Si AyutthayaDumagueteKashan

In new street additions, Phra Nakhon Si Ayutthaya built increasingly disconnected streets over time, while Dumaguete built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Kashan fluctuated in its street-construction patterns. For the full network, Phra Nakhon Si Ayutthaya became progressively more disconnected, while Dumaguete became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Kashan became progressively more connected. Notably, Phra Nakhon Si Ayutthaya had a more connected network than Dumaguete in 1975 but the two have since reversed their relative ranking.