Rostov-on-Don in context: Street-network sprawl trends

Rostov-on-Don in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
Rostov-on-DonRostov (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Rostov-on-Don plotted against Rostov and Russia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Rostov-on-Don's incremental SNDi rose from 2.6 to 2.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Rostov-on-Don ranked 1st out of 9 cities in Rostov and 74th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.97
Rank in Russia
87th of 252
Rank in Rostov
2nd of 9

Entire Network (Aggregate)

SNDi value
2.09
Rank in Russia
74th of 252
Rank in Rostov
1st of 9

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Rostov-on-DonTuen MunSofia

Rostov-on-Don, Tuen Mun, and Sofia all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Rostov-on-Don and Tuen Mun have been growing further apart in their street-network character since 1975.