Parbatta in context: Street-network sprawl trends

Parbatta in context

3.244.8<19751976–19901991–20052006–2020SNDi of street additions
3.244.8<19751976–19901991–20052006–2020SNDi of entire street network
ParbattaBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Parbatta plotted against Bihar and India. The SNDi of new construction in Parbatta peaked in 1991-2005, compared to Bihar which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Parbatta's incremental SNDi fell from 4.4 to 2.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Parbatta ranked 44th out of 264 cities in Bihar and 794th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
2.84
Rank in India
216th of 1868
Rank in Bihar
17th of 264

Entire Network (Aggregate)

SNDi value
3.55
Rank in India
794th of 1868
Rank in Bihar
44th of 264

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
ParbattaKecamatan PringgabayaLancang

In new street additions, Parbatta and Kecamatan Pringgabaya both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Lancang fluctuated in its street-construction patterns. For the full network, Parbatta grew more disconnected from 1975 through 1991-2005, then improved, while Kecamatan Pringgabaya became progressively more disconnected and Lancang fluctuated in connectivity. Notably, Parbatta had a more sprawly network than Kecamatan Pringgabaya in 1975 but the two have since reversed their relative ranking.