Patos in context: Street-network sprawl trends

Patos in context

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
PatosParaiba (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Patos plotted against Paraíba and Brazil. The SNDi of new construction in Patos peaked in 1976-1990, compared to Paraíba which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Patos's incremental SNDi fell from 1.74 to 1.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Patos ranked 1st out of 3 cities in Paraíba and 62nd out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
1.66
Rank in Brazil
18th of 365
Rank in Paraíba
1st of 3

Entire Network (Aggregate)

SNDi value
1.71
Rank in Brazil
62nd of 365
Rank in Paraíba
1st of 3

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

What about similarly populated cities?

234<19751976–19901991–20052006–2020SNDi of street additions
234<19751976–19901991–20052006–2020SNDi of entire street network
PatosDrohobychShihr

In new street additions, Patos built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Drohobych built increasingly disconnected streets from 1975 through 1991-2005, then improved and Shihr fluctuated in its street-construction patterns. Looking at the full network, Drohobych and Shihr both became progressively more disconnected, while Patos grew more disconnected from 1975 through 1991-2005, then improved. Patos and Drohobych have been converging in their street-network character since 1975.