Blanchardstown in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Blanchardstown plotted against Dublin and Ireland. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Blanchardstown's incremental SNDi fell from 5.83 to 4.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Blanchardstown ranked 3rd out of 3 cities in Dublin and 5th out of 5 in Ireland as of 2020.

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

What about similarly populated cities?

• Nevşehir, Turkey
• Huadong, China
• Fuengirola, Spain
• Stara Zagora, Bulgaria
• Balua, India
• Green Bay, United States

In new street additions, Blanchardstown built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Nevşehir fluctuated in its street-construction patterns and Stara Zagora built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Blanchardstown grew more disconnected from 1975 through 1991-2005, then improved, while Nevşehir became progressively more disconnected and Stara Zagora became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.