The level of street-network sprawl in new development in Śląskie rose steadily. To get a sense of how street development has changed in Śląskie, we can consider three of its most populous cities: Katowice, Sosnowiec and Częstochowa. Out of the three cities, Częstochowa does not follow the same trend as the region. The level of street-network sprawl in new development in Częstochowa followed a zig-zag trend with an overall increase.

How do development practices in Śląskie fare in comparison to others in Poland? Most recently in 2006-2020, street construction in Śląskie was the 16th-most disconnected out of the 16 regions in Poland. Its position in the ranks since 1975 has fallen; relative to other regions in Poland, street construction in Śląskie has become more connected. Śląskie ranked 15th in 1975, 16th in 1976-1990, 16th in 1991-2005 and 16th in 2006-2020.

As of 2020, the city with the most disconnected street network in Śląskie is Rybnik with an SNDi of 3.23, which is moderately connected. Conversely, the most connected city is Sosnowiec with an SNDi of 2.08, which is well-connected. See trends for these cities: Sosnowiec, Rybnik

The level of street-network sprawl in the aggregate network in Śląskie rose steadily. To get a sense of how the aggregate street network has changed in Śląskie, we can consider three of its most populous cities: Katowice, Sosnowiec and Częstochowa. Disconnectivity in the most populous cities in Śląskie follow the same region trend.

To date, Śląskie is the 15th-most disconnected out of the 16 regions in Poland. Its position in the ranks since 1975 has not changed. Śląskie ranked 15th in 1975, 15th in 1976-1990, 15th in 1991-2005 and 15th in 2006-2020.