Garanhuns in context: Street-network sprawl trends

Garanhuns in context

1.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.82.43<19751976–19901991–20052006–2020SNDi of entire street network
GaranhunsPernambuco (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Garanhuns plotted against Pernambuco and Brazil. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Garanhuns's incremental SNDi rose from 1.71 to 1.82 between 1991-2005 and 2006-2020. In terms of the aggregate network, Garanhuns ranked 4th out of 15 cities in Pernambuco and 76th out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
1.82
Rank in Brazil
35th of 365
Rank in Pernambuco
3rd of 15

Entire Network (Aggregate)

SNDi value
1.78
Rank in Brazil
76th of 365
Rank in Pernambuco
4th of 15

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

What about similarly populated cities?

1.622.42.8<19751976–19901991–20052006–2020SNDi of street additions
1.622.42.8<19751976–19901991–20052006–2020SNDi of entire street network
GaranhunsBarikaGuelph

In new street additions, Garanhuns and Barika both fluctuated in its street-construction patterns, while Guelph built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Garanhuns fluctuated in connectivity, while Barika became progressively more disconnected and Guelph grew more disconnected from 1975 through 1991-2005, then improved. Garanhuns and Barika have been growing further apart in their street-network character since 1975.