Luang Prabang in context: Street-network sprawl trends

Luang Prabang in context

4.85.66.47.2<19751976–19901991–20052006–2020SNDi of street additions
4.85.66.47.2<19751976–19901991–20052006–2020SNDi of entire street network
Luang PrabangLouangphrabang (Region)Laos (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Luang Prabang plotted against Louangphrabang and Laos. The SNDi of new construction in Luang Prabang rose steadily, compared to Louangphrabang which followed a zig-zag trend with an overall increase and Laos which followed a zig-zag trend with an overall increase. Most recently, Luang Prabang's incremental SNDi rose from 5.23 to 6.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Luang Prabang ranked 1st out of 1 cities in Louangphrabang and 3rd out of 3 in Laos as of 2020.

New Street Additions (2006–2020)

SNDi value
6.09
Rank in Laos
2nd of 3
Rank in Louangphrabang
1st of 1

Entire Network (Aggregate)

SNDi value
5.22
Rank in Laos
3rd of 3
Rank in Louangphrabang
1st of 1

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
Luang PrabangLingchuanTumed Left Banner

In new street additions, Luang Prabang built increasingly disconnected streets over time, while Lingchuan fluctuated in its street-construction patterns and Tumed Left Banner built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Luang Prabang became progressively more disconnected, while Lingchuan fluctuated in connectivity and Tumed Left Banner became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Luang Prabang and Tumed Left Banner have been growing further apart in their street-network character since 1975.