The level of street-network sprawl in new development in Zinguldak followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Zinguldak, we can consider three of its most populous cities: Zonguldak, Karadeniz Ereğli and Çaycuma. Disconnectivity in the most populous cities in Zinguldak follow the same region trend.

How do development practices in Zinguldak fare in comparison to others in Turkey? Most recently in 2006-2020, street construction in Zinguldak was the 70th-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 Zinguldak has become more disconnected. Zinguldak ranked 72nd in 1975, 73rd in 1976-1990, 71st in 1991-2005 and 70th in 2006-2020.

As of 2020, the city with the most disconnected street network in Zinguldak is Zonguldak with an SNDi of 5.53, which is very sprawly. Conversely, the most connected city is Çaycuma with an SNDi of 2.64, which is relatively well-connected. See trends for these cities: Çaycuma, Zonguldak

The level of street-network sprawl in the aggregate network in Zinguldak rose steadily. To get a sense of how the aggregate street network has changed in Zinguldak, we can consider three of its most populous cities: Zonguldak, Karadeniz Ereğli and Çaycuma. Out of the three cities, Çaycuma does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Çaycuma followed a zig-zag trend with an overall increase.

To date, Zinguldak is the 72nd-most disconnected out of the 74 regions in Turkey. Its position in the ranks since 1975 has not changed. Zinguldak ranked 72nd in 1975, 73rd in 1976-1990, 72nd in 1991-2005 and 72nd in 2006-2020.