San Fernando in context: Street-network sprawl trends

San Fernando in context

4.55.46.37.2<19751976–19901991–20052006–2020SNDi of street additions
4.55.46.37.2<19751976–19901991–20052006–2020SNDi of entire street network
San FernandoTrinidad and Tobago (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with San Fernando plotted against Trinidad and Tobago. The SNDi of new construction in San Fernando peaked in 1976-1990, while Trinidad and Tobago peaked in 1991-2005. Most recently, San Fernando's incremental SNDi fell from 6.7 to 5.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, San Fernando ranked 1st out of 3 in Trinidad and Tobago as of 2020.

New Street Additions (2006–2020)

SNDi value
5.44
Rank in Trinidad and Tobago
1st of 3

Entire Network (Aggregate)

SNDi value
5.07
Rank in Trinidad and Tobago
1st of 3

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
San FernandoDayingKoumra

In new street additions, San Fernando built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Daying built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Koumra fluctuated in its street-construction patterns. Looking at the full network, Daying and Koumra both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while San Fernando became progressively more disconnected.