Lewisville in context: Street-network sprawl trends
Lewisville in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lewisville plotted against Texas and United States. While Texas and United States both peaked in 1991-2005, Lewisville's new street additions peaked in 1991-2005. Most recently, Lewisville's incremental SNDi fell from 3.25 to 2.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lewisville ranked 23rd out of 42 cities in Texas and 154th out of 333 in United States as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.98
- Rank in United States
- 47th of 333
- Rank in Texas
- 14th of 42
Entire Network (Aggregate)
- SNDi value
- 3.11
- Rank in United States
- 154th of 333
- Rank in Texas
- 23rd of 42
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Lewisville built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Leizhou fluctuated in its street-construction patterns and Ikirun built increasingly disconnected streets over time. For the full network, Lewisville grew more disconnected from 1975 through 1991-2005, then improved, while Leizhou fluctuated in connectivity and Ikirun became progressively more disconnected. Lewisville and Ikirun have been growing further apart in their street-network character since 1975.