Tamaraivillu in context: Street-network sprawl trends

Tamaraivillu in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
TamaraivilluTrincomalee (Region)Sri Lanka (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tamaraivillu plotted against Trincomalee and Sri Lanka. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Tamaraivillu's incremental SNDi rose from 5.04 to 5.34 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tamaraivillu ranked 1st out of 2 cities in Trincomalee and 8th out of 21 in Sri Lanka as of 2020.

New Street Additions (2006–2020)

SNDi value
5.34
Rank in Sri Lanka
6th of 21
Rank in Trincomalee
1st of 2

Entire Network (Aggregate)

SNDi value
3.73
Rank in Sri Lanka
8th of 21
Rank in Trincomalee
1st of 2

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
TamaraivilluPiotrkow TrybunalskiCruzeiro do Sul

In new street additions, Tamaraivillu and Piotrków Trybunalski both built increasingly disconnected streets over time, while Cruzeiro do Sul built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.