Ponnur in context: Street-network sprawl trends

Ponnur in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
PonnurAndhra Pradesh (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ponnur plotted against Andhra Pradesh and India. The SNDi of new construction in Ponnur 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, Ponnur's incremental SNDi rose from 3.93 to 4.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ponnur ranked 56th out of 91 cities in Andhra Pradesh and 731st out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.72
Rank in India
895th of 1868
Rank in Andhra Pradesh
59th of 91

Entire Network (Aggregate)

SNDi value
3.45
Rank in India
731st of 1868
Rank in Andhra Pradesh
56th of 91

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
PonnurWanzhiMahmudpur

In new street additions, Ponnur built increasingly disconnected streets over time, while Wanzhi built increasingly disconnected streets from 1975 through 1976-1990, then improved and Mahmudpur built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Ponnur became progressively more disconnected, while Wanzhi grew more disconnected from 1975 through 1976-1990, then improved and Mahmudpur became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Ponnur and Wanzhi have been growing further apart in their street-network character since 1975.