Siedlce in context: Street-network sprawl trends

Siedlce 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
SiedlceMazowieckie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Siedlce plotted against Mazowieckie and Poland. The SNDi of new construction in Siedlce peaked in 1991-2005, compared to Mazowieckie which rose steadily and Poland which rose steadily. Most recently, Siedlce's incremental SNDi fell from 4.81 to 4.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Siedlce ranked 6th out of 6 cities in Mazowieckie and 59th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
4.67
Rank in Poland
59th of 63
Rank in Mazowieckie
6th of 6

Entire Network (Aggregate)

SNDi value
3.13
Rank in Poland
59th of 63
Rank in Mazowieckie
6th of 6

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
SiedlceFloridablancaNecochea

While Floridablanca and Necochea both fluctuated in its street-construction patterns, Siedlce built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Siedlce and Necochea both became progressively more disconnected, while Floridablanca fluctuated in connectivity. Siedlce and Necochea have been growing further apart in their street-network character since 1975.