Verviers in context: Street-network sprawl trends

Verviers in context

22.533.54<19751976–19901991–20052006–2020SNDi of street additions
22.533.54<19751976–19901991–20052006–2020SNDi of entire street network
VerviersWallonie (Region)Belgium (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Verviers plotted against Wallonie and Belgium. The SNDi of new construction in Verviers peaked in 1991-2005, compared to Wallonie which rose steadily and Belgium which rose steadily. Most recently, Verviers's incremental SNDi fell from 3.82 to 3.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Verviers ranked 5th out of 6 cities in Wallonie and 13th out of 16 in Belgium as of 2020.

New Street Additions (2006–2020)

SNDi value
3.65
Rank in Belgium
8th of 16
Rank in Wallonie
2nd of 6

Entire Network (Aggregate)

SNDi value
2.39
Rank in Belgium
13th of 16
Rank in Wallonie
5th of 6

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
VerviersUngwan TamowaPittsville

In new street additions, Verviers built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Ungwan Tamowa built increasingly disconnected streets over time and Pittsville built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Verviers and Ungwan Tamowa both became progressively more disconnected, while Pittsville became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.