Hengelo in context: Street-network sprawl trends

Hengelo in context

1.822.22.42.6<19751976–19901991–20052006–2020SNDi of street additions
1.822.22.42.6<19751976–19901991–20052006–2020SNDi of entire street network
HengeloOverijssel (Region)Netherlands (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hengelo plotted against Overijssel and Netherlands. The SNDi of new construction in Hengelo peaked in 1976-1990, compared to Overijssel which peaked in 1976-1990 and Netherlands which peaked in 1991-2005. Most recently, Hengelo's incremental SNDi fell from 1.83 to 1.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hengelo ranked 2nd out of 5 cities in Overijssel and 23rd out of 43 in Netherlands as of 2020.

New Street Additions (2006–2020)

SNDi value
1.83
Rank in Netherlands
7th of 43
Rank in Overijssel
2nd of 5

Entire Network (Aggregate)

SNDi value
1.88
Rank in Netherlands
23rd of 43
Rank in Overijssel
2nd of 5

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

What about similarly populated cities?

22.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
HengeloAllenRed Deer

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