Ipoh in context: Street-network sprawl trends

Ipoh 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
IpohPerak (Region)Malaysia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ipoh plotted against Perak and Malaysia. The SNDi of new construction in Ipoh followed a zig-zag trend with an overall increase, compared to Perak which followed a zig-zag trend with an overall increase and Malaysia which rose steadily. Most recently, Ipoh's incremental SNDi rose from 4.14 to 4.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ipoh ranked 4th out of 5 cities in Perak and 11th out of 43 in Malaysia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.65
Rank in Malaysia
20th of 43
Rank in Perak
5th of 5

Entire Network (Aggregate)

SNDi value
3.78
Rank in Malaysia
11th of 43
Rank in Perak
4th of 5

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
IpohBiratnagarKalaburagi

Ipoh, Biratnagar, and Kalaburagi all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network. Notably, Ipoh had a more sprawly network than Biratnagar in 1975 but the two have since reversed their relative ranking.