Dehri in context: Street-network sprawl trends

Dehri in context

3.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
3.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
DehriBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dehri plotted against Bihar and India. The SNDi of new construction in Dehri rose steadily, 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, Dehri's incremental SNDi rose from 5.28 to 6.43 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dehri ranked 134th out of 264 cities in Bihar and 1356th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
6.43
Rank in India
1471st of 1868
Rank in Bihar
190th of 264

Entire Network (Aggregate)

SNDi value
4.6
Rank in India
1356th of 1868
Rank in Bihar
134th of 264

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
DehriPingliangChengtougu

In new street additions, Dehri and Chengtougu both built increasingly disconnected streets over time, while Pingliang fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Dehri and Chengtougu have been converging in their street-network character since 1975.