Namur in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Namur plotted against Wallonie and Belgium. The SNDi of new construction in Namur peaked in 1991-2005, compared to Wallonie which rose steadily and Belgium which rose steadily. Most recently, Namur's incremental SNDi fell from 3.82 to 3.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Namur ranked 6th out of 6 cities in Wallonie and 15th out of 16 in Belgium as of 2020.

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

What about similarly populated cities?

• Yaodu, China
• Providence, United States
• Arun, China
• Neyyatinkara, India
• Sanjaypur, Bangladesh
• Fuyu, China

While Yaodu and Neyyatinkara both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, Namur built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. Looking at the full network, Yaodu and Neyyatinkara both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Namur became progressively more disconnected.