Roi Et in context: Street-network sprawl trends

Roi Et in context

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
Roi EtThailand (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Roi Et plotted against Thailand. Both Roi Et and Thailand follow the same trend. Most recently, Roi Et's incremental SNDi rose from 4.83 to 5.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Roi Et ranked 13th out of 54 in Thailand as of 2020.

New Street Additions (2006–2020)

SNDi value
5.88
Rank in Thailand
14th of 54

Entire Network (Aggregate)

SNDi value
4.2
Rank in Thailand
13th of 54

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Roi EtNowgaonStafford

In new street additions, Roi Et and Nowgaon both built increasingly disconnected streets over time, while Stafford built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Notably, Roi Et had a more connected network than Stafford in 1975 but the two have since reversed their relative ranking.