Marabá in context: Street-network sprawl trends

Maraba in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
MarabaPara (Region)Brazil (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Marabá plotted against Pará and Brazil. The SNDi of new construction in Marabá peaked in 1976-1990, compared to Pará which peaked in 1976-1990 and Brazil which followed a zig-zag trend with an overall increase. Most recently, Marabá's incremental SNDi fell from 3.27 to 3.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Marabá ranked 15th out of 16 cities in Pará and 243rd out of 365 in Brazil as of 2020.

New Street Additions (2006–2020)

SNDi value
3.0
Rank in Brazil
160th of 365
Rank in Pará
13th of 16

Entire Network (Aggregate)

SNDi value
2.77
Rank in Brazil
243rd of 365
Rank in Pará
15th of 16

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
MarabaPanchagarhZijin

In new street additions, Marabá built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Panchagarh built increasingly disconnected streets over time and Zijin built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Marabá and Panchagarh both became progressively more disconnected, while Zijin fluctuated in connectivity. Marabá and Panchagarh have been growing further apart in their street-network character since 1975.