Phulidumar in context: Street-network sprawl trends

Phulidumar in context

012345<19751976–19901991–20052006–2020SNDi of street additions
012345<19751976–19901991–20052006–2020SNDi of entire street network
PhulidumarBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Phulidumar plotted against Bihar and India. The SNDi of new construction in Phulidumar 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, Phulidumar's incremental SNDi fell from 2.09 to 0.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Phulidumar ranked 5th out of 264 cities in Bihar and 51st out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
0.84
Rank in India
17th of 1868
Rank in Bihar
5th of 264

Entire Network (Aggregate)

SNDi value
1.5
Rank in India
51st of 1868
Rank in Bihar
5th of 264

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

What about similarly populated cities?

0.61.21.82.4<19751976–19901991–20052006–2020SNDi of street additions
0.61.21.82.4<19751976–19901991–20052006–2020SNDi of entire street network
PhulidumarPetladSaad Al-Abdulla

In new street additions, Phulidumar built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Petlad fluctuated in its street-construction patterns and Saad Al-Abdulla fluctuated in its street-construction patterns. For the full network, Phulidumar fluctuated in connectivity, while Petlad fluctuated in connectivity and Saad Al-Abdulla fluctuated in connectivity. Notably, Phulidumar had a more connected network than Petlad in 1975 but the two have since reversed their relative ranking.