Ludhiana in context: Street-network sprawl trends

Ludhiana in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
LudhianaPunjab (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ludhiana plotted against Punjab and India. The SNDi of new construction in Ludhiana rose steadily, compared to Punjab which rose steadily and India which followed a zig-zag trend with an overall increase. Most recently, Ludhiana's incremental SNDi rose from 3.26 to 3.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ludhiana ranked 6th out of 41 cities in Punjab and 474th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
3.49
Rank in India
395th of 1868
Rank in Punjab
10th of 41

Entire Network (Aggregate)

SNDi value
3.0
Rank in India
474th of 1868
Rank in Punjab
6th of 41

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
LudhianaHarareBelem

In new street additions, Ludhiana and Harare both built increasingly disconnected streets over time, while Belém fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Ludhiana and Harare have been growing further apart in their street-network character since 1975.