Bettiah in context: Street-network sprawl trends

Bettiah in context

3.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
BettiahBihar (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bettiah plotted against Bihar and India. The SNDi of new construction in Bettiah 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, Bettiah's incremental SNDi rose from 4.3 to 4.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bettiah ranked 68th out of 264 cities in Bihar and 1032nd out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.38
Rank in India
748th of 1868
Rank in Bihar
74th of 264

Entire Network (Aggregate)

SNDi value
3.93
Rank in India
1032nd of 1868
Rank in Bihar
68th of 264

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
BettiahLeiyangDurango

In new street additions, Bettiah and Durango both built increasingly disconnected streets over time, while Leiyang fluctuated in its street-construction patterns. For the full network, Bettiah and Durango both became progressively more disconnected, while Leiyang fluctuated in connectivity. Notably, Bettiah had a more connected network than Leiyang in 1975 but the two have since reversed their relative ranking.