Terni in context: Street-network sprawl trends
Terni in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Terni plotted against Umbria and Italy. The SNDi of new construction in Terni rose steadily, compared to Umbria which peaked in 1991-2005 and Italy which peaked in 1991-2005. Most recently, Terni's incremental SNDi rose from 3.82 to 4.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Terni ranked 1st out of 2 cities in Umbria and 68th out of 88 in Italy as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.63
- Rank in Italy
- 71st of 88
- Rank in Umbria
- 2nd of 2
Entire Network (Aggregate)
- SNDi value
- 3.3
- Rank in Italy
- 68th of 88
- Rank in Umbria
- 1st of 2
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Linjiang, China
- Karhal, India
- Tongbai, China
- Ourense, Spain
- Injibara, Ethiopia
- Bhedarganj, Bangladesh
In new street additions, Terni built increasingly disconnected streets over time, while Linjiang built increasingly disconnected streets from 1975 through 1976-1990, then improved and Ourense fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Terni and Linjiang have been growing further apart in their street-network character since 1975.