Świdnica in context: Street-network sprawl trends

Swidnica in context

1.82.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
SwidnicaDolnoslaskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Świdnica plotted against Dolnośląskie and Poland. The SNDi of new construction in Świdnica was at its lowest in 1976-1990, compared to Dolnośląskie which rose steadily and Poland which rose steadily. Most recently, Świdnica's incremental SNDi rose from 2.76 to 2.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Świdnica ranked 4th out of 4 cities in Dolnośląskie and 25th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
2.83
Rank in Poland
20th of 63
Rank in Dolnośląskie
3rd of 4

Entire Network (Aggregate)

SNDi value
2.21
Rank in Poland
25th of 63
Rank in Dolnośląskie
4th of 4

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

What about similarly populated cities?

0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
SwidnicaOuangolodougouRedcliffe

In new street additions, Świdnica built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Ouangolodougou fluctuated in its street-construction patterns and Redcliffe built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Świdnica became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Ouangolodougou became progressively more disconnected and Redcliffe grew more disconnected from 1975 through 1991-2005, then improved. Świdnica and Ouangolodougou have been converging in their street-network character since 1975.