Zacatecas in context: Street-network sprawl trends

Zacatecas 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
ZacatecasMexico (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zacatecas plotted against México. The SNDi of new construction in Zacatecas rose steadily, while México followed a zig-zag trend with an overall increase. Most recently, Zacatecas's incremental SNDi rose from 2.98 to 3.05 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zacatecas ranked 97th out of 182 in México as of 2020.

New Street Additions (2006–2020)

SNDi value
3.05
Rank in México
59th of 182

Entire Network (Aggregate)

SNDi value
2.76
Rank in México
97th of 182

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
ZacatecasXuanweiChhatarpur

While Xuanwei and Chhatarpur both fluctuated in its street-construction patterns, Zacatecas built increasingly disconnected streets over time in new street additions. For the full network, Zacatecas became progressively more disconnected, while Xuanwei grew more disconnected from 1975 through 1976-1990, then improved and Chhatarpur fluctuated in connectivity. Notably, Zacatecas had a more connected network than Xuanwei in 1975 but the two have since reversed their relative ranking.