Sergiyev Posad in context: Street-network sprawl trends

Sergiyev Posad in context

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
Sergiyev PosadMoskva (Region)Russia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sergiyev Posad plotted against Moskva and Russia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sergiyev Posad's incremental SNDi rose from 2.67 to 3.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sergiyev Posad ranked 7th out of 17 cities in Moskva and 55th out of 252 in Russia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.37
Rank in Russia
117th of 252
Rank in Moskva
10th of 17

Entire Network (Aggregate)

SNDi value
1.94
Rank in Russia
55th of 252
Rank in Moskva
7th of 17

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
Sergiyev PosadMianzhuShouxian

In new street additions, Sergiyev Posad built increasingly disconnected streets over time, while Mianzhu built increasingly disconnected streets from 1975 through 1976-1990, then improved and Shouxian built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Mianzhu and Shouxian both grew more disconnected from 1975 through 1991-2005, then improved, while Sergiyev Posad became progressively more disconnected. Sergiyev Posad and Mianzhu have been converging in their street-network character since 1975.