Darlington in context: Street-network sprawl trends

Darlington in context

3.544.55<19751976–19901991–20052006–2020SNDi of street additions
3.544.55<19751976–19901991–20052006–2020SNDi of entire street network
DarlingtonEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Darlington plotted against England and United Kingdom. The SNDi of new construction in Darlington rose steadily, compared to England which peaked in 1991-2005 and United Kingdom which peaked in 1991-2005. Most recently, Darlington's incremental SNDi rose from 4.9 to 4.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Darlington ranked 65th out of 124 cities in England and 73rd out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
4.94
Rank in United Kingdom
102nd of 143
Rank in England
92nd of 124

Entire Network (Aggregate)

SNDi value
3.6
Rank in United Kingdom
73rd of 143
Rank in England
65th of 124

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
DarlingtonSengeremaAlamdanga

In new street additions, Darlington built increasingly disconnected streets over time, while Sengerema fluctuated in its street-construction patterns and Alamdanga built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Darlington became progressively more disconnected, while Sengerema fluctuated in connectivity and Alamdanga became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.