Forbesganj in context: Street-network sprawl trends

Forbesganj in context

2.83.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
ForbesganjBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Forbesganj plotted against Bihar and India. The SNDi of new construction in Forbesganj 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, Forbesganj's incremental SNDi fell from 5.37 to 4.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Forbesganj ranked 75th out of 264 cities in Bihar and 1080th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.13
Rank in India
639th of 1868
Rank in Bihar
54th of 264

Entire Network (Aggregate)

SNDi value
4.01
Rank in India
1080th of 1868
Rank in Bihar
75th of 264

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
ForbesganjShahadaPanabo

In new street additions, Forbesganj built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Shahada fluctuated in its street-construction patterns and Panabo built increasingly disconnected streets over time. For the full network, Forbesganj grew more disconnected from 1975 through 1991-2005, then improved, while Shahada fluctuated in connectivity and Panabo became progressively more disconnected. Forbesganj and Panabo have been growing further apart in their street-network character since 1975.