Chełm in context: Street-network sprawl trends

Chelm in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
ChelmLubelskie (Region)Poland (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chełm plotted against Lubelskie and Poland. The SNDi of new construction in Chełm peaked in 1991-2005, compared to Lubelskie which rose steadily and Poland which rose steadily. Most recently, Chełm's incremental SNDi fell from 3.52 to 3.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Chełm ranked 3rd out of 3 cities in Lubelskie and 49th out of 63 in Poland as of 2020.

New Street Additions (2006–2020)

SNDi value
3.14
Rank in Poland
28th of 63
Rank in Lubelskie
3rd of 3

Entire Network (Aggregate)

SNDi value
2.68
Rank in Poland
49th of 63
Rank in Lubelskie
3rd of 3

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ChelmKitchangaDistrict 8

In new street additions, Chełm and District 8 both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Kitchanga fluctuated in its street-construction patterns. For the full network, Chełm became progressively more disconnected, while Kitchanga fluctuated in connectivity and District 8 grew more disconnected from 1975 through 1991-2005, then improved. Chełm and Kitchanga have been converging in their street-network character since 1975.