Bisham 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 Bisham plotted against Khyber-Pakhtunkhwa and Pakistan. The SNDi of new construction in Bisham followed a zig-zag trend with an overall decrease, 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, Bisham's incremental SNDi fell from 10.35 to 5.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bisham ranked 42nd out of 67 cities in Khyber-Pakhtunkhwa and 254th 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?

• شهرک صنعتی اشتهارد, Iran
• Luozi, Democratic Republic of the Congo
• Sabir, Yemen
• Goushi, China
• Qaryat Imam ash Asharqi, Iraq
• Tshibinda, Democratic Republic of the Congo

In new street additions, Bisham and Goushi both fluctuated in its street-construction patterns, while شهرک صنعتی اشتهارد built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Bisham fluctuated in connectivity, while شهرک صنعتی اشتهارد became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Goushi became progressively more connected. Bisham and شهرک صنعتی اشتهارد have been growing further apart in their street-network character since 1975.