Bath in context: Street-network sprawl trends

Bath in context

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
BathEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bath plotted against England and United Kingdom. The SNDi of new construction in Bath peaked in 1976-1990, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Bath's incremental SNDi fell from 3.03 to 2.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bath ranked 2nd out of 124 cities in England and 3rd out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
2.07
Rank in United Kingdom
2nd of 143
Rank in England
2nd of 124

Entire Network (Aggregate)

SNDi value
2.66
Rank in United Kingdom
3rd of 143
Rank in England
2nd of 124

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
BathBanmankhiSubotica

In new street additions, Bath built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Banmankhi built increasingly disconnected streets from 1975 through 1991-2005, then improved and Subotica built increasingly disconnected streets over time. Looking at the full network, Banmankhi and Subotica both became progressively more disconnected, while Bath grew more disconnected from 1975 through 1991-2005, then improved. Bath and Banmankhi have been growing further apart in their street-network character since 1975.