Ünye in context: Street-network sprawl trends

Unye in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
UnyeOrdu (Region)Turkey (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ünye plotted against Ordu and Turkey. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Ünye's incremental SNDi rose from 3.56 to 4.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ünye ranked 3rd out of 3 cities in Ordu and 132nd out of 174 in Turkey as of 2020.

New Street Additions (2006–2020)

SNDi value
4.17
Rank in Turkey
160th of 174
Rank in Ordu
3rd of 3

Entire Network (Aggregate)

SNDi value
2.66
Rank in Turkey
132nd of 174
Rank in Ordu
3rd of 3

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
UnyeZhuangzhaiKastamonu

In new street additions, Ünye and Zhuangzhai both fluctuated in its street-construction patterns, while Kastamonu built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Ünye became progressively more disconnected, while Zhuangzhai fluctuated in connectivity and Kastamonu became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Ünye had a more connected network than Kastamonu in 1975 but the two have since reversed their relative ranking.