Helmond in context: Street-network sprawl trends

Helmond in context

1.622.4<19751976–19901991–20052006–2020SNDi of street additions
1.622.4<19751976–19901991–20052006–2020SNDi of entire street network
HelmondNoord-Brabant (Region)Netherlands (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Helmond plotted against Noord-Brabant and Netherlands. The SNDi of new construction in Helmond peaked in 1976-1990, compared to Noord-Brabant which followed a zig-zag trend with an overall increase and Netherlands which peaked in 1991-2005. Most recently, Helmond's incremental SNDi fell from 1.95 to 1.42 between 1991-2005 and 2006-2020. In terms of the aggregate network, Helmond ranked 5th out of 8 cities in Noord-Brabant and 14th out of 43 in Netherlands as of 2020.

New Street Additions (2006–2020)

SNDi value
1.42
Rank in Netherlands
1st of 43
Rank in Noord-Brabant
1st of 8

Entire Network (Aggregate)

SNDi value
1.77
Rank in Netherlands
14th of 43
Rank in Noord-Brabant
5th of 8

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
HelmondSlupskSan Jose de Guanipa

In new street additions, Helmond built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Słupsk built increasingly disconnected streets over time and San José de Guanipa fluctuated in its street-construction patterns. For the full network, Helmond grew more disconnected from 1975 through 1991-2005, then improved, while Słupsk became progressively more disconnected and San José de Guanipa fluctuated in connectivity. Helmond and Słupsk have been growing further apart in their street-network character since 1975.