Sembawang in context: Street-network sprawl trends

Sembawang in context

22.22.42.6<19751976–19901991–20052006–2020SNDi of street additions
22.22.42.6<19751976–19901991–20052006–2020SNDi of entire street network
SembawangNorth (Region)Singapore (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sembawang plotted against North and Singapore. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sembawang's incremental SNDi rose from 2.08 to 2.54 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sembawang ranked 1st out of 1 cities in North and 1st out of 2 in Singapore as of 2020.

New Street Additions (2006–2020)

SNDi value
2.54
Rank in Singapore
2nd of 2
Rank in North
1st of 1

Entire Network (Aggregate)

SNDi value
2.14
Rank in Singapore
1st of 2
Rank in North
1st of 1

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
SembawangSamarqandChenghai

In new street additions, Sembawang and Chenghai both fluctuated in its street-construction patterns, while Samarqand built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Sembawang and Chenghai both fluctuated in connectivity, while Samarqand became progressively more disconnected.