Amarillo in context: Street-network sprawl trends

Amarillo in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
AmarilloTexas (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Amarillo plotted against Texas and United States. While Texas and United States both peaked in 1991-2005, Amarillo's new street additions peaked in 1991-2005. Most recently, Amarillo's incremental SNDi fell from 2.92 to 2.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Amarillo ranked 5th out of 42 cities in Texas and 10th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
2.63
Rank in United States
23rd of 333
Rank in Texas
6th of 42

Entire Network (Aggregate)

SNDi value
1.71
Rank in United States
10th of 333
Rank in Texas
5th of 42

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
AmarilloLa VictoriaSahaspur

In new street additions, Amarillo and La Victoria both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Sahaspur fluctuated in its street-construction patterns. For the full network, Amarillo and La Victoria both became progressively more disconnected, while Sahaspur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Amarillo and La Victoria have been growing further apart in their street-network character since 1975.