Lubin in context: Street-network sprawl trends

Lubin 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
LubinDolnoslaskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lubin plotted against Dolnośląskie and Poland. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Lubin's incremental SNDi rose from 2.12 to 2.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lubin ranked 2nd out of 4 cities in Dolnośląskie and 16th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
2.19
Rank in Poland
5th of 63
Rank in Dolnośląskie
1st of 4

Entire Network (Aggregate)

SNDi value
2.06
Rank in Poland
16th of 63
Rank in Dolnośląskie
2nd of 4

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

What about similarly populated cities?

22.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
LubinNan'anJangareddygudem

While Nan'an and Jangareddygudem both fluctuated in its street-construction patterns, Lubin built increasingly disconnected streets over time in new street additions. Looking at the full network, Nan'an and Jangareddygudem both fluctuated in connectivity, while Lubin became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Lubin and Nan'an have been growing further apart in their street-network character since 1975.