Caxias in context: Street-network sprawl trends

Caxias in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
CaxiasMaranhao (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Caxias plotted against Maranhão and Brazil. The SNDi of new construction in Caxias peaked in 1976-1990, compared to Maranhão which followed a zig-zag trend with an overall increase and Brazil which followed a zig-zag trend with an overall increase. Most recently, Caxias's incremental SNDi fell from 2.73 to 2.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Caxias ranked 6th out of 11 cities in Maranhão and 152nd out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
2.09
Rank in Brazil
64th of 365
Rank in Maranhão
3rd of 11

Entire Network (Aggregate)

SNDi value
2.19
Rank in Brazil
152nd of 365
Rank in Maranhão
6th of 11

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
CaxiasCizreEsteli

In new street additions, Caxias built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Cizre built increasingly disconnected streets over time and Esteli fluctuated in its street-construction patterns. Looking at the full network, Cizre and Esteli both became progressively more disconnected, while Caxias grew more disconnected from 1975 through 1991-2005, then improved. Notably, Caxias had a more sprawly network than Esteli in 1975 but the two have since reversed their relative ranking.