Mangalagiri in context: Street-network sprawl trends

Mangalagiri in context

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
MangalagiriAndhra Pradesh (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mangalagiri plotted against Andhra Pradesh and India. The SNDi of new construction in Mangalagiri 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, Mangalagiri's incremental SNDi rose from 3.01 to 3.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mangalagiri ranked 29th out of 91 cities in Andhra Pradesh and 424th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
3.76
Rank in India
502nd of 1868
Rank in Andhra Pradesh
32nd of 91

Entire Network (Aggregate)

SNDi value
2.88
Rank in India
424th of 1868
Rank in Andhra Pradesh
29th of 91

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
MangalagiriRusselsheim am MainLangley City

While Rüsselsheim am Main and Langley City both built increasingly disconnected streets from 1975 through 1976-1990, then improved, Mangalagiri built increasingly disconnected streets over time in new street additions. Looking at the full network, Rüsselsheim am Main and Langley City both grew more disconnected from 1975 through 1991-2005, then improved, while Mangalagiri became progressively more disconnected. Notably, Mangalagiri had a more connected network than Rüsselsheim am Main in 1975 but the two have since reversed their relative ranking.