York in context: Street-network sprawl trends

York in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
YorkPennsylvania (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with York plotted against Pennsylvania and United States. The SNDi of new construction in York followed a zig-zag trend with an overall increase, compared to Pennsylvania which rose steadily and United States which peaked in 1991-2005. Most recently, York's incremental SNDi rose from 2.2 to 3.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, York ranked 1st out of 16 cities in Pennsylvania and 3rd out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
3.19
Rank in United States
55th of 333
Rank in Pennsylvania
4th of 16

Entire Network (Aggregate)

SNDi value
1.51
Rank in United States
3rd of 333
Rank in Pennsylvania
1st of 16

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
YorkThanbyuzayatGela

In new street additions, York and Gela both fluctuated in its street-construction patterns, while Thanbyuzayat built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, York and Gela both became progressively more disconnected, while Thanbyuzayat became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.