Orléans in context: Street-network sprawl trends

Orleans in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
OrleansOntario (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Orléans plotted against Ontario and Canada. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Orléans's incremental SNDi fell from 2.33 to 2.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Orléans ranked 7th out of 24 cities in Ontario and 10th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
2.17
Rank in Canada
3rd of 54
Rank in Ontario
3rd of 24

Entire Network (Aggregate)

SNDi value
2.42
Rank in Canada
10th of 54
Rank in Ontario
7th of 24

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
OrleansSawakinBangko

In new street additions, Orléans built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Sawakin fluctuated in its street-construction patterns and Bangko built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Orléans grew more disconnected from 1975 through 1976-1990, then improved, while Sawakin became progressively more connected and Bangko grew more disconnected from 1975 through 1991-2005, then improved. Orléans and Bangko have been growing further apart in their street-network character since 1975.