Drohobych in context: Street-network sprawl trends

Drohobych in context

1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
DrohobychL'viv (Region)Ukraine (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Drohobych plotted against L'viv and Ukraine. The SNDi of new construction in Drohobych peaked in 1991-2005, compared to L'viv which rose steadily and Ukraine which rose steadily. Most recently, Drohobych's incremental SNDi fell from 2.46 to 2.24 between 1991-2005 and 2006-2020. In terms of the aggregate network, Drohobych ranked 2nd out of 4 cities in L'viv and 12th out of 75 in Ukraine as of 2020.

New Street Additions (2006–2020)

SNDi value
2.24
Rank in Ukraine
9th of 75
Rank in L'viv
2nd of 4

Entire Network (Aggregate)

SNDi value
1.85
Rank in Ukraine
12th of 75
Rank in L'viv
2nd of 4

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

What about similarly populated cities?

1.51.82.12.4<19751976–19901991–20052006–2020SNDi of street additions
1.51.82.12.4<19751976–19901991–20052006–2020SNDi of entire street network
DrohobychJaisPatos

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