Bangor in context: Street-network sprawl trends

Bangor in context

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
BangorNorthern Ireland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bangor plotted against Northern Ireland and United Kingdom. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Bangor's incremental SNDi fell from 7.64 to 5.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bangor ranked 2nd out of 3 cities in Northern Ireland and 142nd out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
5.8
Rank in United Kingdom
125th of 143
Rank in Northern Ireland
1st of 3

Entire Network (Aggregate)

SNDi value
5.3
Rank in United Kingdom
142nd of 143
Rank in Northern Ireland
2nd of 3

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

What about similarly populated cities?

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
BangorUmrethModderspruit

While Umreth and Modderspruit both built increasingly disconnected streets over time, Bangor built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full street network, though, all three cities follow the same trend.