Ismaila in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ismaila plotted against Khyber-Pakhtunkhwa and Pakistan. The SNDi of new construction in Ismaila was at its lowest in 1991-2005, compared to Khyber-Pakhtunkhwa which followed a zig-zag trend with an overall increase and Pakistan which followed a zig-zag trend with an overall increase. Most recently, Ismaila's incremental SNDi rose from 4.01 to 5.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ismaila ranked 14th out of 67 cities in Khyber-Pakhtunkhwa and 163rd out of 292 in Pakistan as of 2020.

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

What about similarly populated cities?

• Kerakat, India
• Hansi, India
• Thaton, Myanmar
• Parachinar, Pakistan
• Varginha, Brazil
• Paramakkudi, India

In new street additions, Kerakat and Parachinar both fluctuated in street-construction patterns, while Ismaila built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. Looking at the full network, Kerakat and Parachinar both fluctuated in connectivity, while Ismaila became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Ismaila had a more sprawly network than Parachinar in 1975, but the two have since reversed their relative ranking.