Mamarkha in context: Street-network sprawl trends

Mamarkha in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mamarkha plotted against Bihar and India. The SNDi of new construction in Mamarkha peaked 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, Mamarkha's incremental SNDi fell from 4.0 to 3.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mamarkha ranked 55th out of 264 cities in Bihar and 929th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
3.52
Rank in India
404th of 1868
Rank in Bihar
31st of 264

Entire Network (Aggregate)

SNDi value
3.78
Rank in India
929th of 1868
Rank in Bihar
55th of 264

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

What about similarly populated cities?

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
MamarkhaKhujayliMohlakeng

In new street additions, Mamarkha built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Khujayli built increasingly disconnected streets over time and Mohlakeng fluctuated in its street-construction patterns. For the full network, Mamarkha grew more disconnected from 1975 through 1991-2005, then improved, while Khujayli became progressively more disconnected and Mohlakeng fluctuated in connectivity.