Darbhanga in context: Street-network sprawl trends

Darbhanga in context

3.244.8<19751976–19901991–20052006–2020SNDi of street additions
3.244.8<19751976–19901991–20052006–2020SNDi of entire street network
DarbhangaBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Darbhanga plotted against Bihar and India. The SNDi of new construction in Darbhanga 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, Darbhanga's incremental SNDi rose from 4.4 to 4.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Darbhanga ranked 59th out of 264 cities in Bihar and 965th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.98
Rank in India
1036th of 1868
Rank in Bihar
119th of 264

Entire Network (Aggregate)

SNDi value
3.84
Rank in India
965th of 1868
Rank in Bihar
59th 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
DarbhangaUlsanErode

In new street additions, Darbhanga and Erode both built increasingly disconnected streets over time, while Ulsan fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Darbhanga and Ulsan have been growing further apart in their street-network character since 1975.