Harsidhi in context: Street-network sprawl trends

Harsidhi in context

3.64.24.85.4<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.85.4<19751976–19901991–20052006–2020SNDi of entire street network
HarsidhiBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Harsidhi plotted against Bihar and India. The SNDi of new construction in Harsidhi peaked in 1976-1990, 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, Harsidhi's incremental SNDi fell from 5.1 to 4.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Harsidhi ranked 176th out of 264 cities in Bihar and 1499th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.73
Rank in India
901st of 1868
Rank in Bihar
104th of 264

Entire Network (Aggregate)

SNDi value
5.03
Rank in India
1499th of 1868
Rank in Bihar
176th of 264

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
HarsidhiSar-e PolYala

In new street additions, Harsidhi and Sar-e Pol both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Yala fluctuated in its street-construction patterns. For the full network, Harsidhi grew more disconnected from 1975 through 1976-1990, then improved, while Sar-e Pol grew more disconnected from 1975 through 1991-2005, then improved and Yala became progressively more disconnected. Harsidhi and Sar-e Pol have been converging in their street-network character since 1975.