Alor Setar in context: Street-network sprawl trends

Alor Setar in context

3.64.24.85.4<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.85.4<19751976–19901991–20052006–2020SNDi of entire street network
Alor SetarKedah (Region)Malaysia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Alor Setar plotted against Kedah and Malaysia. The SNDi of new construction in Alor Setar followed a zig-zag trend with an overall increase, compared to Kedah which followed a zig-zag trend with an overall increase and Malaysia which rose steadily. Most recently, Alor Setar's incremental SNDi rose from 4.57 to 5.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Alor Setar ranked 3rd out of 3 cities in Kedah and 29th out of 43 in Malaysia as of 2020.

New Street Additions (2006–2020)

SNDi value
5.19
Rank in Malaysia
25th of 43
Rank in Kedah
3rd of 3

Entire Network (Aggregate)

SNDi value
4.45
Rank in Malaysia
29th of 43
Rank in Kedah
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
Alor SetarContaiHasilpur

While Contai and Hasilpur both built increasingly disconnected streets over time, Alor Setar fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Alor Setar and Contai have been converging in their street-network character since 1975.