Jaffna in context: Street-network sprawl trends

Jaffna in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jaffna plotted against Sri Lanka. Both Jaffna and Sri Lanka follow the same trend. Most recently, Jaffna's incremental SNDi rose from 5.08 to 6.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jaffna ranked 9th out of 21 in Sri Lanka as of 2020.

New Street Additions (2006–2020)

SNDi value
6.18
Rank in Sri Lanka
9th of 21

Entire Network (Aggregate)

SNDi value
4.02
Rank in Sri Lanka
9th of 21

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
JaffnaBhujOviedo / Uvieu

In new street additions, Jaffna and Oviedo / Uviéu both built increasingly disconnected streets over time, while Bhuj fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Jaffna and Bhuj have been converging in their street-network character since 1975.