Bergen in context: Street-network sprawl trends

Bergen in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
BergenHordaland (Region)Norway (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bergen plotted against Hordaland and Norway. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Bergen's incremental SNDi rose from 4.37 to 4.62 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bergen ranked 1st out of 2 cities in Hordaland and 6th out of 8 in Norway as of 2020.

New Street Additions (2006–2020)

SNDi value
4.62
Rank in Norway
6th of 8
Rank in Hordaland
1st of 2

Entire Network (Aggregate)

SNDi value
3.68
Rank in Norway
6th of 8
Rank in Hordaland
1st of 2

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

What about similarly populated cities?

234<19751976–19901991–20052006–2020SNDi of street additions
234<19751976–19901991–20052006–2020SNDi of entire street network
BergenQichun CountySaray Osmangazi

In new street additions, Bergen and Qichun County both built increasingly disconnected streets over time, while Saray Osmangazi built increasingly connected streets over time. For the full network, Bergen and Qichun County both became progressively more disconnected, while Saray Osmangazi became progressively more connected. Notably, Bergen had a more connected network than Saray Osmangazi in 1975 but the two have since reversed their relative ranking.