San Andrés Tuxtla in context: Street-network sprawl trends

San Andres Tuxtla 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
San Andres TuxtlaVeracruz (Region)Mexico (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with San Andrés Tuxtla plotted against Veracruz and México. The SNDi of new construction in San Andrés Tuxtla rose steadily, compared to Veracruz which rose steadily and México which followed a zig-zag trend with an overall increase. Most recently, San Andrés Tuxtla's incremental SNDi rose from 3.57 to 4.01 between 1991-2005 and 2006-2020. In terms of the aggregate network, San Andrés Tuxtla ranked 8th out of 14 cities in Veracruz and 127th out of 182 in México as of 2020.

New Street Additions (2006–2020)

SNDi value
4.01
Rank in México
112th of 182
Rank in Veracruz
6th of 14

Entire Network (Aggregate)

SNDi value
3.12
Rank in México
127th of 182
Rank in Veracruz
8th of 14

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
San Andres TuxtlaFengqing CountyKhewra

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