Purworejo in context: Street-network sprawl trends

Purworejo in context

3.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
3.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
PurworejoJawa Tengah (Region)Indonesia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Purworejo plotted against Jawa Tengah and Indonesia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Purworejo's incremental SNDi rose from 4.62 to 6.28 between 1991-2005 and 2006-2020. In terms of the aggregate network, Purworejo ranked 33rd out of 47 cities in Jawa Tengah and 195th out of 366 in Indonesia as of 2020.

New Street Additions (2006–2020)

SNDi value
6.28
Rank in Indonesia
267th of 366
Rank in Jawa Tengah
40th of 47

Entire Network (Aggregate)

SNDi value
4.28
Rank in Indonesia
195th of 366
Rank in Jawa Tengah
33rd of 47

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
PurworejoPeterboroughIca

In new street additions, Purworejo and Peterborough both built increasingly disconnected streets over time, while Ica built increasingly connected streets over time. For the full network, Purworejo and Peterborough both became progressively more disconnected, while Ica became progressively more connected. Purworejo and Peterborough have been converging in their street-network character since 1975.