Toledo in context: Street-network sprawl trends

Toledo in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Toledo plotted against Ohio and United States. The SNDi of new construction in Toledo peaked in 1976-1990, compared to Ohio which rose steadily and United States which peaked in 1991-2005. Most recently, Toledo's incremental SNDi fell from 2.92 to 2.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Toledo ranked 3rd out of 11 cities in Ohio and 35th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
2.18
Rank in United States
6th of 333
Rank in Ohio
1st of 11

Entire Network (Aggregate)

SNDi value
1.97
Rank in United States
35th of 333
Rank in Ohio
3rd of 11

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
ToledoMian ChannuPusad

In new street additions, Toledo built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Mian Channu built increasingly disconnected streets over time and Pusad fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Toledo and Mian Channu have been growing further apart in their street-network character since 1975.