Middlesbrough in context: Street-network sprawl trends

Middlesbrough in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
MiddlesbroughEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Middlesbrough plotted against England and United Kingdom. The SNDi of new construction in Middlesbrough rose steadily, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Middlesbrough's incremental SNDi rose from 4.91 to 5.42 between 1991-2005 and 2006-2020. In terms of the aggregate network, Middlesbrough ranked 61st out of 124 cities in England and 69th out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
5.42
Rank in United Kingdom
121st of 143
Rank in England
107th of 124

Entire Network (Aggregate)

SNDi value
3.57
Rank in United Kingdom
69th of 143
Rank in England
61st of 124

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
MiddlesbroughChandausiJacksonville

Middlesbrough, Chandausi, and Jacksonville all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Notably, Middlesbrough had a more sprawly network than Jacksonville in 1975 but the two have since reversed their relative ranking.