Río Bravo in context: Street-network sprawl trends

Rio Bravo in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Rio BravoTamaulipas (Region)Mexico (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Río Bravo plotted against Tamaulipas and México. The SNDi of new construction in Río Bravo peaked in 1991-2005, compared to Tamaulipas which followed a zig-zag trend with an overall increase and México which followed a zig-zag trend with an overall increase. Most recently, Río Bravo's incremental SNDi fell from 2.57 to 2.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Río Bravo ranked 1st out of 8 cities in Tamaulipas and 29th out of 182 in México as of 2020.

New Street Additions (2006–2020)

SNDi value
2.56
Rank in México
34th of 182
Rank in Tamaulipas
2nd of 8

Entire Network (Aggregate)

SNDi value
1.99
Rank in México
29th of 182
Rank in Tamaulipas
1st of 8

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
Rio BravoPanchananpurNarwana

In new street additions, Río Bravo built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Panchananpur built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Narwana built increasingly disconnected streets over time. For the full network, Río Bravo and Narwana both became progressively more disconnected, while Panchananpur became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Río Bravo and Narwana have been converging in their street-network character since 1975.