Trnava in context: Street-network sprawl trends

Trnava in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
TrnavaTrnavsky (Region)Slovakia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Trnava plotted against Trnavský and Slovakia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Trnava's incremental SNDi rose from 4.02 to 4.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, Trnava ranked 1st out of 1 cities in Trnavský and 4th out of 7 in Slovakia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.06
Rank in Slovakia
3rd of 7
Rank in Trnavský
1st of 1

Entire Network (Aggregate)

SNDi value
2.5
Rank in Slovakia
4th of 7
Rank in Trnavský
1st of 1

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

What about similarly populated cities?

0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
TrnavaPulivendulaDevarakonda

In new street additions, Trnava built increasingly disconnected streets over time, while Pulivendula fluctuated in its street-construction patterns and Devarakonda built increasingly connected streets over time. For the full network, Trnava became progressively more disconnected, while Pulivendula became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Devarakonda became progressively more connected. Trnava and Devarakonda have been converging in their street-network character since 1975.