Barnsley in context: Street-network sprawl trends

Barnsley in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
BarnsleyEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Barnsley plotted against England and United Kingdom. The SNDi of new construction in Barnsley rose steadily, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Barnsley's incremental SNDi rose from 5.62 to 5.81 between 1991-2005 and 2006-2020. In terms of the aggregate network, Barnsley ranked 83rd out of 124 cities in England and 94th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
5.81
Rank in United Kingdom
126th of 143
Rank in England
110th of 124

Entire Network (Aggregate)

SNDi value
3.81
Rank in United Kingdom
94th of 143
Rank in England
83rd of 124

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
BarnsleyDong'eGutian

In new street additions, Barnsley and Gutian both built increasingly disconnected streets over time, while Dong'e built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Barnsley and Gutian both became progressively more disconnected, while Dong'e grew more disconnected from 1975 through 1991-2005, then improved. Barnsley and Gutian have been converging in their street-network character since 1975.