Hobart in context: Street-network sprawl trends

Hobart in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
HobartTasmania (Region)Australia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hobart plotted against Tasmania and Australia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Hobart's incremental SNDi fell from 6.06 to 2.96 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hobart ranked 1st out of 1 cities in Tasmania and 9th out of 35 in Australia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.96
Rank in Australia
10th of 35
Rank in Tasmania
1st of 1

Entire Network (Aggregate)

SNDi value
3.08
Rank in Australia
9th of 35
Rank in Tasmania
1st of 1

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
HobartWupingAxum

While Wuping and Axum both fluctuated in its street-construction patterns, Hobart built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. Looking at the full network, Wuping and Axum both became progressively more disconnected, while Hobart grew more disconnected from 1975 through 1991-2005, then improved. Hobart and Wuping have been converging in their street-network character since 1975.