Prayagraj in context: Street-network sprawl trends

Prayagraj in context

33.544.55<19751976–19901991–20052006–2020SNDi of street additions
33.544.55<19751976–19901991–20052006–2020SNDi of entire street network
PrayagrajUttar Pradesh (Region)India (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Prayagraj plotted against Uttar Pradesh and India. The SNDi of new construction in Prayagraj rose steadily, compared to Uttar Pradesh which followed a zig-zag trend with an overall increase and India which followed a zig-zag trend with an overall increase. Most recently, Prayagraj's incremental SNDi rose from 4.26 to 4.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Prayagraj ranked 128th out of 291 cities in Uttar Pradesh and 909th out of 1868 in India as of 2020.

New Street Additions (2006–2020)

SNDi value
4.87
Rank in India
979th of 1868
Rank in Uttar Pradesh
180th of 291

Entire Network (Aggregate)

SNDi value
3.75
Rank in India
909th of 1868
Rank in Uttar Pradesh
128th of 291

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
PrayagrajDallasCoimbatore

Prayagraj, Dallas, and Coimbatore all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Notably, Prayagraj had a more sprawly network than Coimbatore in 1975 but the two have since reversed their relative ranking.