Joliet in context: Street-network sprawl trends
Joliet in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Joliet plotted against Illinois and United States. The SNDi of new construction in Joliet rose steadily, compared to Illinois which peaked in 1991-2005 and United States which peaked in 1991-2005. Most recently, Joliet's incremental SNDi rose from 4.67 to 5.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Joliet ranked 4th out of 12 cities in Illinois and 64th out of 333 in United States as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.73
- Rank in United States
- 291st of 333
- Rank in Illinois
- 12th of 12
Entire Network (Aggregate)
- SNDi value
- 2.23
- Rank in United States
- 64th of 333
- Rank in Illinois
- 4th of 12
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Moanda, Democratic Republic of the Congo
- Arauca, Colombia
- Trois-Rivières, Canada
- Itiya, Ethiopia
- Luau, Angola
- Shegaon, India
Joliet, Moanda, and Itiya all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Joliet and Itiya have been converging in their street-network character since 1975.