The level of street-network sprawl in new development in Bilecik followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Bilecik, we can consider two of its most populous cities: Bilecik and Bozüyük. Out of the two cities, Bilecik does not follow the same trend as the region. The level of street-network sprawl in new development in Bilecik peaked in 1976-1990.

How do development practices in Bilecik fare in comparison to others in Turkey? Most recently in 2006-2020, street construction in Bilecik was the 40th-most disconnected out of the 74 regions in Turkey. Its position in the ranks since 1975 has risen; relative to other regions in Turkey, street construction in Bilecik has become more disconnected. Bilecik ranked 42nd in 1975, 47th in 1976-1990, 37th in 1991-2005 and 40th in 2006-2020.

As of 2020, the city with the most disconnected street network in Bilecik is Bozüyük with an SNDi of 2.46, which is relatively well-connected. Conversely, the most connected city is Bilecik with an SNDi of 2.0, which is well-connected. See trends for these cities: Bilecik, Bozüyük

The level of street-network sprawl in the aggregate network in Bilecik rose steadily. To get a sense of how the aggregate street network has changed in Bilecik, we can consider two of its most populous cities: Bilecik and Bozüyük. Out of the two cities, Bilecik does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Bilecik peaked in 1976-1990.

To date, Bilecik is the 44th-most disconnected out of the 74 regions in Turkey. Its position in the ranks since 1975 has fallen; relative to other regions in Turkey, the street network in Bilecik has become more connected. Bilecik ranked 42nd in 1975, 42nd in 1976-1990, 43rd in 1991-2005 and 44th in 2006-2020.