Antwerp in context: Street-network sprawl trends

Antwerp in context

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
AntwerpVlaanderen (Region)Belgium (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Antwerp plotted against Vlaanderen and Belgium. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Antwerp's incremental SNDi rose from 3.13 to 3.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Antwerp ranked 4th out of 9 cities in Vlaanderen and 5th out of 16 in Belgium as of 2020.

New Street Additions (2006–2020)

SNDi value
3.15
Rank in Belgium
6th of 16
Rank in Vlaanderen
5th of 9

Entire Network (Aggregate)

SNDi value
2.0
Rank in Belgium
5th of 16
Rank in Vlaanderen
4th of 9

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
AntwerpBakhtiyarpurSokoto

In new street additions, Antwerp and Bakhtiyarpur both built increasingly disconnected streets over time, while Sokoto built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Antwerp and Bakhtiyarpur both became progressively more disconnected, while Sokoto grew more disconnected from 1975 through 1976-1990, then improved. Antwerp and Sokoto have been converging in their street-network character since 1975.