Red Deer in context: Street-network sprawl trends

Red Deer 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
Red DeerAlberta (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Red Deer plotted against Alberta and Canada. The SNDi of new construction in Red Deer followed a zig-zag trend with an overall increase, compared to Alberta which peaked in 1991-2005 and Canada which peaked in 1976-1990. Most recently, Red Deer's incremental SNDi rose from 3.03 to 3.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Red Deer ranked 3rd out of 7 cities in Alberta and 22nd out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
3.06
Rank in Canada
21st of 54
Rank in Alberta
4th of 7

Entire Network (Aggregate)

SNDi value
2.68
Rank in Canada
22nd of 54
Rank in Alberta
3rd of 7

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
Red DeerHengeloHengdian

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