Mulhouse in context: Street-network sprawl trends

Mulhouse 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
MulhouseGrand Est (Region)France (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mulhouse plotted against Grand Est and France. The SNDi of new construction in Mulhouse peaked in 1976-1990, compared to Grand Est which rose steadily and France which peaked in 1991-2005. Most recently, Mulhouse's incremental SNDi fell from 3.32 to 3.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mulhouse ranked 5th out of 7 cities in Grand Est and 23rd out of 73 in France as of 2020.

New Street Additions (2006–2020)

SNDi value
3.07
Rank in France
29th of 73
Rank in Grand Est
5th of 7

Entire Network (Aggregate)

SNDi value
2.34
Rank in France
23rd of 73
Rank in Grand Est
5th of 7

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
MulhouseTando AdamHossana

In new street additions, Mulhouse built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Tando Adam built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Hossana built increasingly disconnected streets over time. For the full network, Mulhouse and Hossana both became progressively more disconnected, while Tando Adam became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Mulhouse and Hossana have been converging in their street-network character since 1975.