The level of street-network sprawl in new development in Pennsylvania rose steadily. To get a sense of how street development has changed in Pennsylvania, we can consider three of its most populous cities: Philadelphia, Pittsburgh and Reading. Out of the three cities, Philadelphia and Pittsburgh do not follow the same trend as the region. The level of street-network sprawl in new development in Philadelphia followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Pittsburgh followed a zig-zag trend with an overall increase.

As of 2020, the city with the most disconnected street network in Pennsylvania is Bensalem Township with an SNDi of 3.98, which is sprawly. Conversely, the most connected city is York with an SNDi of 1.51, which is very well-connected. See trends for these cities: York, Bensalem Township

The level of street-network sprawl in the aggregate network in Pennsylvania rose steadily. To get a sense of how the aggregate street network has changed in Pennsylvania, we can consider three of its most populous cities: Philadelphia, Pittsburgh and Reading. Disconnectivity in the most populous cities in Pennsylvania follow the same region trend.