Szombathely in context: Street-network sprawl trends

Szombathely in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
SzombathelyVas (Region)Hungary (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Szombathely plotted against Vas and Hungary. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Szombathely's incremental SNDi rose from 4.3 to 6.4 between 1991-2005 and 2006-2020. In terms of the aggregate network, Szombathely ranked 1st out of 1 cities in Vas and 8th out of 13 in Hungary as of 2020.

New Street Additions (2006–2020)

SNDi value
6.4
Rank in Hungary
13th of 13
Rank in Vas
1st of 1

Entire Network (Aggregate)

SNDi value
2.27
Rank in Hungary
8th of 13
Rank in Vas
1st of 1

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
SzombathelyItapipocaFilingue

In new street additions, Szombathely built increasingly disconnected streets over time, while Itapipoca built increasingly disconnected streets from 1975 through 1976-1990, then improved and Filingué fluctuated in its street-construction patterns. For the full network, Szombathely and Itapipoca both became progressively more disconnected, while Filingué fluctuated in connectivity. Szombathely and Itapipoca have been converging in their street-network character since 1975.