Pickering in context: Street-network sprawl trends

Pickering in context

2.733.33.6<19751976–19901991–20052006–2020SNDi of street additions
2.733.33.6<19751976–19901991–20052006–2020SNDi of entire street network
PickeringOntario (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pickering plotted against Ontario and Canada. The SNDi of new construction in Pickering peaked in 1991-2005, compared to Ontario which peaked in 1976-1990 and Canada which peaked in 1976-1990. Most recently, Pickering's incremental SNDi fell from 3.22 to 3.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pickering ranked 20th out of 24 cities in Ontario and 38th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
3.04
Rank in Canada
18th of 54
Rank in Ontario
12th of 24

Entire Network (Aggregate)

SNDi value
2.99
Rank in Canada
38th of 54
Rank in Ontario
20th of 24

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

What about similarly populated cities?

2.12.42.733.3<19751976–19901991–20052006–2020SNDi of street additions
2.12.42.733.3<19751976–19901991–20052006–2020SNDi of entire street network
PickeringMaurepasYizheng

In new street additions, Pickering built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Maurepas built increasingly disconnected streets from 1975 through 1976-1990, then improved and Yizheng built increasingly disconnected streets over time. For the full network, Pickering and Yizheng both became progressively more disconnected, while Maurepas grew more disconnected from 1975 through 1976-1990, then improved. Pickering and Maurepas have been growing further apart in their street-network character since 1975.