Arad in context: Street-network sprawl trends

Arad in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
AradRomania (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Arad plotted against Romania. Both Arad and Romania follow the same trend. Most recently, Arad's incremental SNDi rose from 3.61 to 4.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Arad ranked 8th out of 29 in Romania as of 2020.

New Street Additions (2006–2020)

SNDi value
4.13
Rank in Romania
9th of 29

Entire Network (Aggregate)

SNDi value
2.22
Rank in Romania
8th of 29

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
AradPiedras NegrasLonggang

In new street additions, Arad and Longgang both built increasingly disconnected streets over time, while Piedras Negras built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Arad and Longgang have been growing further apart in their street-network character since 1975.