Kurunegala in context: Street-network sprawl trends

Kurunegala in context

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
KurunegalaSri Lanka (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kurunegala plotted against Sri Lanka. Both Kurunegala and Sri Lanka follow the same trend. Most recently, Kurunegala's incremental SNDi rose from 5.1 to 6.31 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kurunegala ranked 13th out of 21 in Sri Lanka as of 2020.

New Street Additions (2006–2020)

SNDi value
6.31
Rank in Sri Lanka
10th of 21

Entire Network (Aggregate)

SNDi value
5.06
Rank in Sri Lanka
13th of 21

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
KurunegalaKota NunukanKuancheng

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