Leeuwarden in context: Street-network sprawl trends

Leeuwarden in context

1.522.53<19751976–19901991–20052006–2020SNDi of street additions
1.522.53<19751976–19901991–20052006–2020SNDi of entire street network
LeeuwardenFryslan (Region)Netherlands (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Leeuwarden plotted against Fryslân and Netherlands. The SNDi of new construction in Leeuwarden rose steadily, compared to Fryslân which rose steadily and Netherlands which peaked in 1991-2005. Most recently, Leeuwarden's incremental SNDi rose from 2.57 to 3.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Leeuwarden ranked 1st out of 1 cities in Fryslân and 21st out of 43 in Netherlands as of 2020.

New Street Additions (2006–2020)

SNDi value
3.15
Rank in Netherlands
37th of 43
Rank in Fryslân
1st of 1

Entire Network (Aggregate)

SNDi value
1.86
Rank in Netherlands
21st of 43
Rank in Fryslân
1st of 1

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
LeeuwardenNasriganjCumbaya

While Nasriganj and Cumbaya both built increasingly disconnected streets from 1975 through 1991-2005, then improved, Leeuwarden built increasingly disconnected streets over time in new street additions. Looking at the full network, Nasriganj and Cumbaya both grew more disconnected from 1975 through 1991-2005, then improved, while Leeuwarden became progressively more disconnected.