Bukit Mertajam in context: Street-network sprawl trends

Bukit Mertajam in context

44.85.66.4<19751976–19901991–20052006–2020SNDi of street additions
44.85.66.4<19751976–19901991–20052006–2020SNDi of entire street network
Bukit MertajamPulau Pinang (Region)Malaysia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bukit Mertajam plotted against Pulau Pinang and Malaysia. The SNDi of new construction in Bukit Mertajam followed a zig-zag trend with an overall increase, compared to Pulau Pinang which rose steadily and Malaysia which rose steadily. Most recently, Bukit Mertajam's incremental SNDi rose from 4.42 to 6.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bukit Mertajam ranked 3rd out of 3 cities in Pulau Pinang and 22nd out of 43 in Malaysia as of 2020.

New Street Additions (2006–2020)

SNDi value
6.14
Rank in Malaysia
33rd of 43
Rank in Pulau Pinang
2nd of 3

Entire Network (Aggregate)

SNDi value
4.19
Rank in Malaysia
22nd of 43
Rank in Pulau Pinang
3rd of 3

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Bukit MertajamKediriMykolaiv

In new street additions, Bukit Mertajam and Mykolaiv both fluctuated in its street-construction patterns, while Kediri built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Bukit Mertajam and Kediri have been converging in their street-network character since 1975.