Cannock in context: Street-network sprawl trends

Cannock in context

3.64.24.85.4<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.85.4<19751976–19901991–20052006–2020SNDi of entire street network
CannockEngland (Region)United Kingdom (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Cannock plotted against England and United Kingdom. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Cannock's incremental SNDi fell from 5.35 to 3.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cannock ranked 116th out of 124 cities in England and 132nd out of 143 in United Kingdom as of 2020.

New Street Additions (2006–2020)

SNDi value
3.88
Rank in United Kingdom
62nd of 143
Rank in England
56th of 124

Entire Network (Aggregate)

SNDi value
4.32
Rank in United Kingdom
132nd of 143
Rank in England
116th of 124

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

What about similarly populated cities?

4567<19751976–19901991–20052006–2020SNDi of street additions
4567<19751976–19901991–20052006–2020SNDi of entire street network
CannockKochasJatilawang

While Kochas and Jatilawang both built increasingly disconnected streets over time, Cannock built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. Looking at the full network, Kochas and Jatilawang both became progressively more disconnected, while Cannock grew more disconnected from 1975 through 1991-2005, then improved. Notably, Cannock had a more sprawly network than Kochas in 1975 but the two have since reversed their relative ranking.