Braga in context: Street-network sprawl trends

Braga in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
BragaPortugal (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Braga plotted against Portugal. Both Braga and Portugal follow the same trend. Most recently, Braga's incremental SNDi rose from 3.31 to 4.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Braga ranked 2nd out of 9 in Portugal as of 2020.

New Street Additions (2006–2020)

SNDi value
4.14
Rank in Portugal
9th of 9

Entire Network (Aggregate)

SNDi value
2.86
Rank in Portugal
2nd of 9

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
BragaPobeCoronel

In new street additions, Braga and Pobè both built increasingly disconnected streets over time, while Coronel fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Notably, Braga had a more sprawly network than Coronel in 1975 but the two have since reversed their relative ranking.