Pontinamallayyapalem in context: Street-network sprawl trends

Pontinamallayyapalem in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
PontinamallayyapalemAndhra Pradesh (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pontinamallayyapalem plotted against Andhra Pradesh and India. The SNDi of new construction in Pontinamallayyapalem rose steadily, compared to Andhra Pradesh which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Pontinamallayyapalem's incremental SNDi rose from 3.35 to 4.08 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pontinamallayyapalem ranked 58th out of 91 cities in Andhra Pradesh and 780th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.08
Rank in India
621st of 1868
Rank in Andhra Pradesh
43rd of 91

Entire Network (Aggregate)

SNDi value
3.53
Rank in India
780th of 1868
Rank in Andhra Pradesh
58th of 91

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
PontinamallayyapalemRitterhudeTine-Djagaraba

In new street additions, Pontinamallayyapalem and Tiné-Djagaraba both built increasingly disconnected streets over time, while Ritterhude built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Pontinamallayyapalem and Tiné-Djagaraba both became progressively more disconnected, while Ritterhude grew more disconnected from 1975 through 1991-2005, then improved.