Cherbourg-en-Cotentin in context: Street-network sprawl trends

Cherbourg-en-Cotentin in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Cherbourg-en-CotentinNormandie (Region)France (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cherbourg-en-Cotentin plotted against Normandie and France. While Normandie and France both peaked in 1991-2005, Cherbourg-en-Cotentin's new street additions peaked in 1991-2005. Most recently, Cherbourg-en-Cotentin's incremental SNDi fell from 3.44 to 3.23 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cherbourg-en-Cotentin ranked 2nd out of 4 cities in Normandie and 21st out of 73 in France as of 2020.

New Street Additions (2006–2020)

SNDi value
3.23
Rank in France
40th of 73
Rank in Normandie
3rd of 4

Entire Network (Aggregate)

SNDi value
2.3
Rank in France
21st of 73
Rank in Normandie
2nd of 4

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Cherbourg-en-CotentinSongmingPatzcuaro

In new street additions, Cherbourg-en-Cotentin built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Songming built increasingly disconnected streets from 1975 through 1976-1990, then improved and Pátzcuaro fluctuated in its street-construction patterns. For the full network, Cherbourg-en-Cotentin and Pátzcuaro both became progressively more disconnected, while Songming grew more disconnected from 1975 through 1976-1990, then improved. Cherbourg-en-Cotentin and Songming have been converging in their street-network character since 1975.