Sungai Petani in context: Street-network sprawl trends

Sungai Petani in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
Sungai PetaniKedah (Region)Malaysia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sungai Petani plotted against Kedah and Malaysia. The SNDi of new construction in Sungai Petani 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, Sungai Petani's incremental SNDi rose from 4.03 to 4.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sungai Petani ranked 1st out of 3 cities in Kedah and 12th out of 43 in Malaysia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.49
Rank in Malaysia
13th of 43
Rank in Kedah
1st of 3

Entire Network (Aggregate)

SNDi value
3.84
Rank in Malaysia
12th of 43
Rank in Kedah
1st of 3

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Sungai PetaniKhanewalThai Nguyen

In new street additions, Sungai Petani and Khanewal both fluctuated in its street-construction patterns, while Thái Nguyên built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Sungai Petani and Khanewal both became progressively more disconnected, while Thái Nguyên became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Sungai Petani and Khanewal have been converging in their street-network character since 1975.