Tula in context: Street-network sprawl trends

Tula in context

2.433.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
TulaHidalgo (Region)Mexico (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tula plotted against Hidalgo and México. The SNDi of new construction in Tula rose steadily, compared to Hidalgo which followed a zig-zag trend with an overall increase and México which followed a zig-zag trend with an overall increase. Most recently, Tula's incremental SNDi rose from 4.21 to 4.42 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tula ranked 6th out of 9 cities in Hidalgo and 149th out of 182 in México as of 2020.

New Street Additions (2006–2020)

SNDi value
4.42
Rank in México
131st of 182
Rank in Hidalgo
4th of 9

Entire Network (Aggregate)

SNDi value
3.79
Rank in México
149th of 182
Rank in Hidalgo
6th of 9

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
TulaRavulapalemUba

In new street additions, Tula and Ravulapalem both built increasingly disconnected streets over time, while Uba fluctuated in its street-construction patterns. For the full network, Tula and Ravulapalem both became progressively more disconnected, while Uba fluctuated in connectivity. Notably, Tula had a more sprawly network than Ravulapalem in 1975 but the two have since reversed their relative ranking.