Reading in context: Street-network sprawl trends
Reading in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Reading plotted against Pennsylvania and United States. The SNDi of new construction in Reading rose steadily, compared to Pennsylvania which rose steadily and United States which peaked in 1991-2005. Most recently, Reading's incremental SNDi rose from 3.77 to 3.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Reading ranked 8th out of 16 cities in Pennsylvania and 43rd out of 333 in United States as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.94
- Rank in United States
- 138th of 333
- Rank in Pennsylvania
- 7th of 16
Entire Network (Aggregate)
- SNDi value
- 2.07
- Rank in United States
- 43rd of 333
- Rank in Pennsylvania
- 8th of 16
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Tadipatri, India
- Myawaddy, Myanmar
- Sahagún, Colombia
- Tergachi, Uzbekistan
- Shahdadpur, Pakistan
- Ijero-Ekiti, Nigeria
In new street additions, Reading and Tadipatri both built increasingly disconnected streets over time, while Tergachi fluctuated in its street-construction patterns. For the full network, Reading and Tadipatri both became progressively more disconnected, while Tergachi fluctuated in connectivity. Notably, Reading had a more sprawly network than Tadipatri in 1975 but the two have since reversed their relative ranking.