Adirampattinam in context: Street-network sprawl trends

Adirampattinam 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
AdirampattinamTamil Nadu (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Adirampattinam plotted against Tamil Nadu and India. The SNDi of new construction in Adirampattinam followed a zig-zag trend with an overall decrease, compared to Tamil Nadu which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Adirampattinam's incremental SNDi fell from 3.4 to 2.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Adirampattinam ranked 27th out of 121 cities in Tamil Nadu and 588th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
2.92
Rank in India
239th of 1868
Rank in Tamil Nadu
8th of 121

Entire Network (Aggregate)

SNDi value
3.22
Rank in India
588th of 1868
Rank in Tamil Nadu
27th of 121

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

What about similarly populated cities?

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
AdirampattinamLauiyah NandangarhAlbano Laziale

While Lauiyah Nandangarh and Albano Laziale both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Adirampattinam fluctuated in its street-construction patterns in new street additions. Looking at the full network, Lauiyah Nandangarh and Albano Laziale both became progressively more disconnected, while Adirampattinam fluctuated in connectivity. Notably, Adirampattinam had a more sprawly network than Albano Laziale in 1975 but the two have since reversed their relative ranking.