Bongdam in context: Street-network sprawl trends
Bongdam in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bongdam plotted against Gyeonggi-do and South Korea. The SNDi of new construction in Bongdam was at its lowest in 1976-1990, compared to Gyeonggi-do which followed a zig-zag trend with an overall increase and South Korea which followed a zig-zag trend with an overall increase. Most recently, Bongdam's incremental SNDi rose from 3.36 to 3.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bongdam ranked 10th out of 10 cities in Gyeonggi-do and 47th out of 49 in South Korea as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.65
- Rank in South Korea
- 43rd of 49
- Rank in Gyeonggi-do
- 9th of 10
Entire Network (Aggregate)
- SNDi value
- 3.46
- Rank in South Korea
- 47th of 49
- Rank in Gyeonggi-do
- 10th of 10
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Emişbeleni, Turkey
- Qiubei, China
- Balqaş, Kazakhstan
- Moa, Cuba
- Qila Didar Singh, Pakistan
- Yanpen, China
In new street additions, Bongdam built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Emişbeleni built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Moa built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Bongdam and Emişbeleni both became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Moa became progressively more disconnected. Notably, Bongdam had a more connected network than Emişbeleni in 1975 but the two have since reversed their relative ranking.