Sahebganj in context: Street-network sprawl trends

Sahebganj in context

3.544.55<19751976–19901991–20052006–2020SNDi of street additions
3.544.55<19751976–19901991–20052006–2020SNDi of entire street network
SahebganjBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sahebganj plotted against Bihar and India. The SNDi of new construction in Sahebganj was at its lowest 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, Sahebganj's incremental SNDi rose from 4.36 to 4.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sahebganj ranked 118th out of 264 cities in Bihar and 1295th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.49
Rank in India
800th of 1868
Rank in Bihar
86th of 264

Entire Network (Aggregate)

SNDi value
4.45
Rank in India
1295th of 1868
Rank in Bihar
118th of 264

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
SahebganjKafr Al SheikhKannauj

While Kafr Al Sheikh and Kannauj both built increasingly disconnected streets over time, Sahebganj built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. Looking at the full network, Kafr Al Sheikh and Kannauj both became progressively more disconnected, while Sahebganj became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Sahebganj and Kannauj have been converging in their street-network character since 1975.