Champaign in context: Street-network sprawl trends

Champaign in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Champaign plotted against Illinois and United States. The SNDi of new construction in Champaign rose steadily, compared to Illinois which peaked in 1991-2005 and United States which peaked in 1991-2005. Most recently, Champaign's incremental SNDi rose from 2.59 to 3.28 between 1991-2005 and 2006-2020. In terms of the aggregate network, Champaign ranked 1st out of 12 cities in Illinois and 23rd out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
3.28
Rank in United States
64th of 333
Rank in Illinois
2nd of 12

Entire Network (Aggregate)

SNDi value
1.86
Rank in United States
23rd of 333
Rank in Illinois
1st of 12

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
ChampaignTrudovoePingyuan

While Трудовое and Pingyuan both fluctuated in its street-construction patterns, Champaign built increasingly disconnected streets over time in new street additions. For the full network, Champaign and Трудовое both became progressively more disconnected, while Pingyuan fluctuated in connectivity. Champaign and Трудовое have been growing further apart in their street-network character since 1975.