Guelph in context: Street-network sprawl trends

Guelph in context

2.42.83.23.6<19751976–19901991–20052006–2020SNDi of street additions
2.42.83.23.6<19751976–19901991–20052006–2020SNDi of entire street network
GuelphOntario (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guelph plotted against Ontario and Canada. The SNDi of new construction in Guelph peaked in 1991-2005, compared to Ontario which peaked in 1976-1990 and Canada which peaked in 1976-1990. Most recently, Guelph's incremental SNDi fell from 2.97 to 2.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guelph ranked 9th out of 24 cities in Ontario and 15th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
2.33
Rank in Canada
8th of 54
Rank in Ontario
7th of 24

Entire Network (Aggregate)

SNDi value
2.51
Rank in Canada
15th of 54
Rank in Ontario
9th of 24

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

What about similarly populated cities?

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
GuelphGaranhunsNokha

In new street additions, Guelph built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Garanhuns fluctuated in its street-construction patterns and Nokha built increasingly disconnected streets over time. For the full network, Guelph grew more disconnected from 1975 through 1991-2005, then improved, while Garanhuns fluctuated in connectivity and Nokha became progressively more disconnected. Guelph and Nokha have been converging in their street-network character since 1975.