Akkaraipattu in context: Street-network sprawl trends

Akkaraipattu in context

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
AkkaraipattuAmpara (Region)Sri Lanka (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Akkaraipattu plotted against Ampara and Sri Lanka. The SNDi of new construction in Akkaraipattu peaked in 1991-2005, compared to Ampara which rose steadily and Sri Lanka which rose steadily. Most recently, Akkaraipattu's incremental SNDi fell from 3.96 to 3.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Akkaraipattu ranked 3rd out of 3 cities in Ampara and 3rd out of 21 in Sri Lanka as of 2020.

New Street Additions (2006–2020)

SNDi value
3.33
Rank in Sri Lanka
3rd of 21
Rank in Ampara
3rd of 3

Entire Network (Aggregate)

SNDi value
2.16
Rank in Sri Lanka
3rd of 21
Rank in Ampara
3rd of 3

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
AkkaraipattuPiacenzaQuva

In new street additions, Akkaraipattu and Piacenza both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Quva built increasingly disconnected streets over time. For the full network, Akkaraipattu and Quva both became progressively more disconnected, while Piacenza grew more disconnected from 1975 through 1991-2005, then improved. Notably, Akkaraipattu had a more connected network than Piacenza in 1975 but the two have since reversed their relative ranking.