Salamanca in context: Street-network sprawl trends

Salamanca in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
SalamancaGuanajuato (Region)Mexico (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Salamanca plotted against Guanajuato and México. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Salamanca's incremental SNDi rose from 2.41 to 3.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Salamanca ranked 5th out of 15 cities in Guanajuato and 66th out of 182 in México as of 2020.

New Street Additions (2006–2020)

SNDi value
3.68
Rank in México
92nd of 182
Rank in Guanajuato
10th of 15

Entire Network (Aggregate)

SNDi value
2.5
Rank in México
66th of 182
Rank in Guanajuato
5th of 15

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
SalamancaYingchengSaint-Denis

In new street additions, Salamanca fluctuated in its street-construction patterns, while Yingcheng built increasingly disconnected streets from 1975 through 1976-1990, then improved and Saint-Denis built increasingly disconnected streets over time. For the full network, Salamanca and Saint-Denis both became progressively more disconnected, while Yingcheng grew more disconnected from 1975 through 1991-2005, then improved. Salamanca and Yingcheng have been growing further apart in their street-network character since 1975.